871352722120 has 32 divisors (see below), whose sum is σ = 1960764145920. Its totient is φ = 348501885120.

The previous prime is 871352722117. The next prime is 871352722183. The reversal of 871352722120 is 21227253178.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863736 + ... + 1577575.

It is an arithmetic number, because the mean of its divisors is an integer number (61273879560).

Almost surely, 2^871352722120 is an apocalyptic number.

It is an amenable number.

871352722120 is an abundant number, since it is smaller than the sum of its proper divisors (1089411423800).

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

871352722120 is a wasteful number, since it uses less digits than its factorization.

871352722120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450245 (or 2450241 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

Adding to 871352722120 its reverse (21227253178), we get a palindrome (892579975298).

The spelling of 871352722120 in words is "eight hundred seventy-one billion, three hundred fifty-two million, seven hundred twenty-two thousand, one hundred twenty".