125775772 has 12 divisors (see below), whose sum is σ = 222245296. Its totient is φ = 62277120.

The previous prime is 125775757. The next prime is 125775781. The reversal of 125775772 is 277577521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152229 + ... + 153052.

Almost surely, 2^125775772 is an apocalyptic number.

It is an amenable number.

125775772 is a deficient number, since it is larger than the sum of its proper divisors (96469524).

125775772 is a wasteful number, since it uses less digits than its factorization.

125775772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305388 (or 305386 counting only the distinct ones).

The product of its digits is 240100, while the sum is 43.

The square root of 125775772 is about 11214.9798038160. The cubic root of 125775772 is about 501.0322302018.

The spelling of 125775772 in words is "one hundred twenty-five million, seven hundred seventy-five thousand, seven hundred seventy-two".