126565228 has 12 divisors (see below), whose sum is σ = 231119280. Its totient is φ = 60531152.

The previous prime is 126565181. The next prime is 126565249. The reversal of 126565228 is 822565621.

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, 687763 + ... + 687946.

It is an arithmetic number, because the mean of its divisors is an integer number (19259940).

Almost surely, 2^126565228 is an apocalyptic number.

It is an amenable number.

126565228 is a deficient number, since it is larger than the sum of its proper divisors (104554052).

126565228 is a wasteful number, since it uses less digits than its factorization.

126565228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375736 (or 1375734 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 126565228 is about 11250.1212437911. The cubic root of 126565228 is about 502.0783198702.

The spelling of 126565228 in words is "one hundred twenty-six million, five hundred sixty-five thousand, two hundred twenty-eight".