871138252 has 12 divisors (see below), whose sum is σ = 1528116016. Its totient is φ = 434533680.

The previous prime is 871138237. The next prime is 871138283. The reversal of 871138252 is 252831178.

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, 256968 + ... + 260335.

Almost surely, 2^871138252 is an apocalyptic number.

It is an amenable number.

871138252 is a deficient number, since it is larger than the sum of its proper divisors (656977764).

871138252 is a wasteful number, since it uses less digits than its factorization.

871138252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517728 (or 517726 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 871138252 is about 29515.0512789661. The cubic root of 871138252 is about 955.0564194622.

The spelling of 871138252 in words is "eight hundred seventy-one million, one hundred thirty-eight thousand, two hundred fifty-two".