120517256 has 16 divisors (see below), whose sum is σ = 227621340. Its totient is φ = 59818240.

The previous prime is 120517253. The next prime is 120517277. The reversal of 120517256 is 652715021.

It can be written as a sum of positive squares in 2 ways, for example, as 104244100 + 16273156 = 10210^2 + 4034^2 .

It is not an unprimeable number, because it can be changed into a prime (120517253) 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, 53885 + ... + 56076.

Almost surely, 2^120517256 is an apocalyptic number.

It is an amenable number.

120517256 is a deficient number, since it is larger than the sum of its proper divisors (107104084).

120517256 is a wasteful number, since it uses less digits than its factorization.

120517256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110104 (or 110100 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 120517256 is about 10978.0351611752. The cubic root of 120517256 is about 493.9501006819.

The spelling of 120517256 in words is "one hundred twenty million, five hundred seventeen thousand, two hundred fifty-six".