1251725960 has 32 divisors (see below), whose sum is σ = 2837894400. Its totient is φ = 496866240.

The previous prime is 1251725957. The next prime is 1251725977. The reversal of 1251725960 is 695271521.

It is a happy 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, 114200 + ... + 124679.

It is an arithmetic number, because the mean of its divisors is an integer number (88684200).

Almost surely, 2^1251725960 is an apocalyptic number.

1251725960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1251725960 is an abundant number, since it is smaller than the sum of its proper divisors (1586168440).

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

1251725960 is a wasteful number, since it uses less digits than its factorization.

1251725960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239021 (or 239017 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 1251725960 is about 35379.7393998316. The cubic root of 1251725960 is about 1077.7129127442.

The spelling of 1251725960 in words is "one billion, two hundred fifty-one million, seven hundred twenty-five thousand, nine hundred sixty".