126872872 has 16 divisors (see below), whose sum is σ = 271870560. Its totient is φ = 54374064.

The previous prime is 126872869. The next prime is 126872891. The reversal of 126872872 is 278278621.

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, 1132738 + ... + 1132849.

It is an arithmetic number, because the mean of its divisors is an integer number (16991910).

Almost surely, 2^126872872 is an apocalyptic number.

It is an amenable number.

126872872 is an abundant number, since it is smaller than the sum of its proper divisors (144997688).

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

126872872 is a wasteful number, since it uses less digits than its factorization.

126872872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265600 (or 2265596 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The square root of 126872872 is about 11263.7858644418. The cubic root of 126872872 is about 502.4847938106.

The spelling of 126872872 in words is "one hundred twenty-six million, eight hundred seventy-two thousand, eight hundred seventy-two".