120075757 has 4 divisors (see below), whose sum is σ = 123004476. Its totient is φ = 117147040.

The previous prime is 120075727. The next prime is 120075821. The reversal of 120075757 is 757570021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70879561 + 49196196 = 8419^2 + 7014^2 .

It is a cyclic number.

It is not a de Polignac number, because 120075757 - 2⁷ = 120075629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120075707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464298 + ... + 1464379.

It is an arithmetic number, because the mean of its divisors is an integer number (30751119).

Almost surely, 2^120075757 is an apocalyptic number.

It is an amenable number.

120075757 is a deficient number, since it is larger than the sum of its proper divisors (2928719).

120075757 is an equidigital number, since it uses as much as digits as its factorization.

120075757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928718.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 120075757 is about 10957.9084226872. The cubic root of 120075757 is about 493.3461890469.

The spelling of 120075757 in words is "one hundred twenty million, seventy-five thousand, seven hundred fifty-seven".