120265657 has 2 divisors, whose sum is σ = 120265658. Its totient is φ = 120265656.

The previous prime is 120265637. The next prime is 120265681. The reversal of 120265657 is 756562021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114404416 + 5861241 = 10696^2 + 2421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120265657 is a prime.

It is not a weakly prime, because it can be changed into another prime (120265627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60132828 + 60132829.

It is an arithmetic number, because the mean of its divisors is an integer number (60132829).

Almost surely, 2^120265657 is an apocalyptic number.

It is an amenable number.

120265657 is a deficient number, since it is larger than the sum of its proper divisors (1).

120265657 is an equidigital number, since it uses as much as digits as its factorization.

120265657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 120265657 is about 10966.5699742445. The cubic root of 120265657 is about 493.6061279904.

The spelling of 120265657 in words is "one hundred twenty million, two hundred sixty-five thousand, six hundred fifty-seven".