125081992 has 16 divisors (see below), whose sum is σ = 268032960. Its totient is φ = 53606544.

The previous prime is 125081989. The next prime is 125082029. The reversal of 125081992 is 299180521.

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 3 ways as a sum of consecutive naturals, for example, 1116748 + ... + 1116859.

It is an arithmetic number, because the mean of its divisors is an integer number (16752060).

Almost surely, 2^125081992 is an apocalyptic number.

It is an amenable number.

125081992 is an abundant number, since it is smaller than the sum of its proper divisors (142950968).

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

125081992 is a wasteful number, since it uses less digits than its factorization.

125081992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233620 (or 2233616 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 125081992 is about 11184.0060801128. The cubic root of 125081992 is about 500.1092987725.

The spelling of 125081992 in words is "one hundred twenty-five million, eighty-one thousand, nine hundred ninety-two".