125977768 has 16 divisors (see below), whose sum is σ = 269952480. Its totient is φ = 53990448.

The previous prime is 125977751. The next prime is 125977781. The reversal of 125977768 is 867779521.

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, 1124746 + ... + 1124857.

It is an arithmetic number, because the mean of its divisors is an integer number (16872030).

Almost surely, 2^125977768 is an apocalyptic number.

It is an amenable number.

125977768 is an abundant number, since it is smaller than the sum of its proper divisors (143974712).

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

125977768 is a wasteful number, since it uses less digits than its factorization.

125977768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249616 (or 2249612 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 52.

The square root of 125977768 is about 11223.9818246467. The cubic root of 125977768 is about 501.3003061431.

The spelling of 125977768 in words is "one hundred twenty-five million, nine hundred seventy-seven thousand, seven hundred sixty-eight".