1250427992 has 32 divisors (see below), whose sum is σ = 2563254720. Its totient is φ = 567140640.

The previous prime is 1250427991. The next prime is 1250428007. The reversal of 1250427992 is 2997240521.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250427991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25883 + ... + 56309.

It is an arithmetic number, because the mean of its divisors is an integer number (80101710).

Almost surely, 2^1250427992 is an apocalyptic number.

It is an amenable number.

1250427992 is an abundant number, since it is smaller than the sum of its proper divisors (1312826728).

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

1250427992 is a wasteful number, since it uses less digits than its factorization.

1250427992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30911 (or 30907 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1250427992 is about 35361.3912622227. The cubic root of 1250427992 is about 1077.3402750951.

The spelling of 1250427992 in words is "one billion, two hundred fifty million, four hundred twenty-seven thousand, nine hundred ninety-two".