125972772 has 12 divisors (see below), whose sum is σ = 293936496. Its totient is φ = 41990920.

The previous prime is 125972767. The next prime is 125972851. The reversal of 125972772 is 277279521.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5248854 + ... + 5248877.

It is an arithmetic number, because the mean of its divisors is an integer number (24494708).

Almost surely, 2^125972772 is an apocalyptic number.

125972772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125972772 is an abundant number, since it is smaller than the sum of its proper divisors (167963724).

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

125972772 is a wasteful number, since it uses less digits than its factorization.

125972772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10497738 (or 10497736 counting only the distinct ones).

The product of its digits is 123480, while the sum is 42.

The square root of 125972772 is about 11223.7592632772. The cubic root of 125972772 is about 501.2936792346.

The spelling of 125972772 in words is "one hundred twenty-five million, nine hundred seventy-two thousand, seven hundred seventy-two".