diff --git a/src/utils.cpp b/src/utils.cpp
index 992feb34e8..bde6dffca5 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -395,7 +395,24 @@ double utils::numeric(const char *file, int line, const std::string &str, bool d
       lmp->error->all(file, line, msg);
   }
 
-  return atof(buf.c_str());
+  double rv = 0;
+  try {
+    rv = stod(buf);
+  } catch (std::invalid_argument const &) {
+    auto msg = fmt::format("Floating point number {} in input script or data file is invalid", buf);
+    if (do_abort)
+      lmp->error->one(file, line, msg);
+    else
+      lmp->error->all(file, line, msg);
+  } catch (std::out_of_range const &) {
+    auto msg =
+        fmt::format("Floating point number {} in input script or data file is out of range", buf);
+    if (do_abort)
+      lmp->error->one(file, line, msg);
+    else
+      lmp->error->all(file, line, msg);
+  }
+  return rv;
 }
 
 /* ----------------------------------------------------------------------
@@ -439,7 +456,17 @@ int utils::inumeric(const char *file, int line, const std::string &str, bool do_
       lmp->error->all(file, line, msg);
   }
 
-  return atoi(buf.c_str());
+  int rv = 0;
+  try {
+    rv = stoi(buf);
+  } catch (std::out_of_range const &) {
+    auto msg = fmt::format("Integer {} in input script or data file is out of range", buf);
+    if (do_abort)
+      lmp->error->one(file, line, msg);
+    else
+      lmp->error->all(file, line, msg);
+  }
+  return rv;
 }
 
 /* ----------------------------------------------------------------------
@@ -484,7 +511,18 @@ bigint utils::bnumeric(const char *file, int line, const std::string &str, bool
       lmp->error->all(file, line, msg);
   }
 
-  return ATOBIGINT(buf.c_str());
+  long long rv = 0;
+  try {
+    rv = stoll(buf);
+    if (rv > MAXBIGINT) throw std::out_of_range("64-bit");
+  } catch (std::out_of_range const &) {
+    auto msg = fmt::format("Integer {} in input script or data file is out of range", buf);
+    if (do_abort)
+      lmp->error->one(file, line, msg);
+    else
+      lmp->error->all(file, line, msg);
+  }
+  return static_cast<bigint>(rv);
 }
 
 /* ----------------------------------------------------------------------
@@ -529,7 +567,18 @@ tagint utils::tnumeric(const char *file, int line, const std::string &str, bool
       lmp->error->all(file, line, msg);
   }
 
-  return ATOTAGINT(buf.c_str());
+  long long rv = 0;
+  try {
+    rv = stoll(buf);
+    if (rv > MAXTAGINT) throw std::out_of_range("64-bit");
+  } catch (std::out_of_range const &) {
+    auto msg = fmt::format("Integer {} in input script or data file is out of range", buf);
+    if (do_abort)
+      lmp->error->one(file, line, msg);
+    else
+      lmp->error->all(file, line, msg);
+  }
+  return static_cast<tagint>(rv);
 }
 
 /* ----------------------------------------------------------------------
diff --git a/unittest/formats/test_input_convert.cpp b/unittest/formats/test_input_convert.cpp
index 858275a76f..78a78d08df 100644
--- a/unittest/formats/test_input_convert.cpp
+++ b/unittest/formats/test_input_convert.cpp
@@ -117,6 +117,17 @@ TEST_F(InputConvertTest, numeric)
     TEST_FAILURE(".*ERROR: Expected floating point.*", utils::numeric(FLERR, nullptr, false, lmp););
     TEST_FAILURE(".*ERROR: Expected floating point.*",
                  utils::numeric(FLERR, "2.56D+3", false, lmp););
+    TEST_FAILURE(".*ERROR: Floating point number.*out of range.*",
+                 utils::numeric(FLERR, "1.0e2000", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected floating .*", utils::numeric(FLERR, "--546700-", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected floating.*", utils::numeric(FLERR, "546700+", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected floating.*", utils::numeric(FLERR, "--546700", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected floating.*", utils::numeric(FLERR, "++546700", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected floating.*", utils::numeric(FLERR, "+-546700", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected floating .*", utils::numeric(FLERR, "5.467e--1", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected floating.*", utils::numeric(FLERR, "4.4e++1", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected floating.*", utils::numeric(FLERR, "--5.0460", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected floating.*", utils::numeric(FLERR, "++5.4670", false, lmp););
 }
 
 TEST_F(InputConvertTest, inumeric)
@@ -142,6 +153,13 @@ TEST_F(InputConvertTest, inumeric)
     TEST_FAILURE(".*ERROR: Expected integer.*", utils::inumeric(FLERR, "0x05", false, lmp););
     TEST_FAILURE(".*ERROR: Expected integer.*", utils::inumeric(FLERR, "", false, lmp););
     TEST_FAILURE(".*ERROR: Expected integer.*", utils::inumeric(FLERR, nullptr, false, lmp););
+    TEST_FAILURE(".*ERROR: Integer.*out of range.*",
+                 utils::inumeric(FLERR, "1263012546700", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::inumeric(FLERR, "--546700-", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::inumeric(FLERR, "546700+", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::inumeric(FLERR, "--546700", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::inumeric(FLERR, "++546700", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::inumeric(FLERR, "+-546700", false, lmp););
 }
 
 TEST_F(InputConvertTest, bnumeric)
@@ -167,6 +185,13 @@ TEST_F(InputConvertTest, bnumeric)
     TEST_FAILURE(".*ERROR: Expected integer.*", utils::bnumeric(FLERR, "0x05", false, lmp););
     TEST_FAILURE(".*ERROR: Expected integer.*", utils::bnumeric(FLERR, "", false, lmp););
     TEST_FAILURE(".*ERROR: Expected integer.*", utils::bnumeric(FLERR, nullptr, false, lmp););
+    TEST_FAILURE(".*ERROR: Integer.*out of range.*",
+                 utils::bnumeric(FLERR, "18446744073709551616123", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::bnumeric(FLERR, "--546700-", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::bnumeric(FLERR, "546700+", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::bnumeric(FLERR, "--546700", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::bnumeric(FLERR, "++546700", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::bnumeric(FLERR, "+-546700", false, lmp););
 }
 
 TEST_F(InputConvertTest, tnumeric)
@@ -192,6 +217,17 @@ TEST_F(InputConvertTest, tnumeric)
     TEST_FAILURE(".*ERROR: Expected integer.*", utils::tnumeric(FLERR, "0x05", false, lmp););
     TEST_FAILURE(".*ERROR: Expected integer.*", utils::tnumeric(FLERR, "", false, lmp););
     TEST_FAILURE(".*ERROR: Expected integer.*", utils::tnumeric(FLERR, nullptr, false, lmp););
+#if defined(LAMMPS_SMALLBIG)
+    TEST_FAILURE(".*ERROR: Integer.*out of range.*",
+                 utils::tnumeric(FLERR, "4294967296", false, lmp););
+#endif
+    TEST_FAILURE(".*ERROR: Integer.*out of range.*",
+                 utils::tnumeric(FLERR, "18446744073709551616123", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::tnumeric(FLERR, "--546700-", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::tnumeric(FLERR, "546700+", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::tnumeric(FLERR, "--546700", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::tnumeric(FLERR, "++546700", false, lmp););
+    TEST_FAILURE(".*ERROR: Expected integer.*", utils::tnumeric(FLERR, "+-546700", false, lmp););
 }
 
 } // namespace LAMMPS_NS