871888122 has 48 divisors (see below), whose sum is σ = 2160637440. Its totient is φ = 248917536.

The previous prime is 871888111. The next prime is 871888133. The reversal of 871888122 is 221888178.

It is an interprime number because it is at equal distance from previous prime (871888111) and next prime (871888133).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268404 + ... + 271632.

It is an arithmetic number, because the mean of its divisors is an integer number (45013280).

Almost surely, 2^871888122 is an apocalyptic number.

871888122 is an abundant number, since it is smaller than the sum of its proper divisors (1288749318).

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

871888122 is a wasteful number, since it uses less digits than its factorization.

871888122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387 (or 5384 counting only the distinct ones).

The product of its digits is 114688, while the sum is 45.

The square root of 871888122 is about 29527.7517261305. The cubic root of 871888122 is about 955.3303762702.

The spelling of 871888122 in words is "eight hundred seventy-one million, eight hundred eighty-eight thousand, one hundred twenty-two".