125880972 has 24 divisors (see below), whose sum is σ = 335682816. Its totient is φ = 35965968.

The previous prime is 125880961. The next prime is 125880991. The reversal of 125880972 is 279088521.

It is a super-2 number, since 2×125880972² = 31692038223329568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749208 + ... + 749375.

It is an arithmetic number, because the mean of its divisors is an integer number (13986784).

Almost surely, 2^125880972 is an apocalyptic number.

125880972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125880972 is an abundant number, since it is smaller than the sum of its proper divisors (209801844).

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

125880972 is a wasteful number, since it uses less digits than its factorization.

125880972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498597 (or 1498595 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 125880972 is about 11219.6689790742. The cubic root of 125880972 is about 501.1718805794.

The spelling of 125880972 in words is "one hundred twenty-five million, eight hundred eighty thousand, nine hundred seventy-two".