125771772 has 24 divisors (see below), whose sum is σ = 335391616. Its totient is φ = 35934768.

The previous prime is 125771761. The next prime is 125771791. The reversal of 125771772 is 277177521.

It is a self number, because there is not a number n which added to its sum of digits gives 125771772.

It is a congruent 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, 748558 + ... + 748725.

Almost surely, 2^125771772 is an apocalyptic number.

125771772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125771772 is an abundant number, since it is smaller than the sum of its proper divisors (209619844).

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

125771772 is a wasteful number, since it uses less digits than its factorization.

125771772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497297 (or 1497295 counting only the distinct ones).

The product of its digits is 48020, while the sum is 39.

The square root of 125771772 is about 11214.8014694867. The cubic root of 125771772 is about 501.0269187651.

The spelling of 125771772 in words is "one hundred twenty-five million, seven hundred seventy-one thousand, seven hundred seventy-two".