It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 401 is not a prime number.
For example, 118 401 can be divided by 3: 118 401 / 3 = 39 467.
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For 118 401 to be a prime number, it would have been required that 118 401 has only two divisors, i.e., itself and 1.
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118 401 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 118 401 is about 344.094.
Thus, the square root of 118 401 is not an integer, and therefore 118 401 is not a square number.
The square of a number (here 118 401) is the result of the product of this number (118 401) by itself (i.e., 118 401 × 118 401); the square of 118 401 is sometimes called "raising 118 401 to the power 2", or "118 401 squared".
The square of 118 401 is 14 018 796 801 because 118 401 × 118 401 = 118 4012 = 14 018 796 801.
As a consequence, 118 401 is the square root of 14 018 796 801.
The multiples of 118 401 are all integers evenly divisible by 118 401, that is all numbers such that the remainder of the division by 118 401 is zero. There are infinitely many multiples of 118 401. The smallest multiples of 118 401 are: