It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 494 538 is not a prime number.
For example, 120 494 538 can be divided by 2: 120 494 538 / 2 = 60 247 269.
For 120 494 538 to be a prime number, it would have been required that 120 494 538 has only two divisors, i.e., itself and 1.
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120 494 538 is an even number, because it is evenly divisible by 2: 120 494 538 / 2 = 60 247 269.
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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 120 494 538 is about 10 977.000.
Thus, the square root of 120 494 538 is not an integer, and therefore 120 494 538 is not a square number.
The square of a number (here 120 494 538) is the result of the product of this number (120 494 538) by itself (i.e., 120 494 538 × 120 494 538); the square of 120 494 538 is sometimes called "raising 120 494 538 to the power 2", or "120 494 538 squared".
The square of 120 494 538 is 14 518 933 687 833 444 because 120 494 538 × 120 494 538 = 120 494 5382 = 14 518 933 687 833 444.
As a consequence, 120 494 538 is the square root of 14 518 933 687 833 444.
120 494 538 is a number with 9 digits.
The multiples of 120 494 538 are all integers evenly divisible by 120 494 538, that is all numbers such that the remainder of the division by 120 494 538 is zero. There are infinitely many multiples of 120 494 538. The smallest multiples of 120 494 538 are: