It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 122 118 is not a prime number.
For example, 122 118 can be divided by 2: 122 118 / 2 = 61 059.
For 122 118 to be a prime number, it would have been required that 122 118 has only two divisors, i.e., itself and 1.
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122 118 is an even number, because it is evenly divisible by 2: 122 118 / 2 = 61 059.
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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 122 118 is about 349.454.
Thus, the square root of 122 118 is not an integer, and therefore 122 118 is not a square number.
The square of a number (here 122 118) is the result of the product of this number (122 118) by itself (i.e., 122 118 × 122 118); the square of 122 118 is sometimes called "raising 122 118 to the power 2", or "122 118 squared".
The square of 122 118 is 14 912 805 924 because 122 118 × 122 118 = 122 1182 = 14 912 805 924.
As a consequence, 122 118 is the square root of 14 912 805 924.
The multiples of 122 118 are all integers evenly divisible by 122 118, that is all numbers such that the remainder of the division by 122 118 is zero. There are infinitely many multiples of 122 118. The smallest multiples of 122 118 are: