255975128 has 24 divisors (see below), whose sum is σ = 483014700. Its totient is φ = 127176192.

The previous prime is 255975121. The next prime is 255975133. The reversal of 255975128 is 821579552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255975121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 297563 + ... + 298421.

Almost surely, 2^255975128 is an apocalyptic number.

It is an amenable number.

255975128 is a deficient number, since it is larger than the sum of its proper divisors (227039572).

255975128 is an equidigital number, since it uses as much as digits as its factorization.

255975128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251 (or 1054 counting only the distinct ones).

The product of its digits is 252000, while the sum is 44.

The square root of 255975128 is about 15999.2227311204. Note that the first 3 decimals coincide. The cubic root of 255975128 is about 634.9398566635.

The spelling of 255975128 in words is "two hundred fifty-five million, nine hundred seventy-five thousand, one hundred twenty-eight".