1250988256 has 48 divisors (see below), whose sum is σ = 2867858784. Its totient is φ = 526017024.

The previous prime is 1250988247. The next prime is 1250988287. The reversal of 1250988256 is 6528890521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40815 + ... + 64558.

It is an arithmetic number, because the mean of its divisors is an integer number (59747058).

Almost surely, 2^1250988256 is an apocalyptic number.

1250988256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1250988256 is an abundant number, since it is smaller than the sum of its proper divisors (1616870528).

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

1250988256 is a wasteful number, since it uses less digits than its factorization.

1250988256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105443 (or 105435 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 1250988256 is about 35369.3123484187. The cubic root of 1250988256 is about 1077.5011546365.

The spelling of 1250988256 in words is "one billion, two hundred fifty million, nine hundred eighty-eight thousand, two hundred fifty-six".