512120256 has 56 divisors (see below), whose sum is σ = 1391625360. Its totient is φ = 166090752.

The previous prime is 512120249. The next prime is 512120267. The reversal of 512120256 is 652021215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28941 + ... + 43148.

Almost surely, 2^512120256 is an apocalyptic number.

It is an amenable number.

512120256 is an abundant number, since it is smaller than the sum of its proper divisors (879505104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512120256 is a wasteful number, since it uses less digits than its factorization.

512120256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72141 (or 72131 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 512120256 is about 22630.0741492378. The cubic root of 512120256 is about 800.0626284303.

The spelling of 512120256 in words is "five hundred twelve million, one hundred twenty thousand, two hundred fifty-six".