871121052 has 36 divisors (see below), whose sum is σ = 2204789496. Its totient is φ = 290005920.

The previous prime is 871121029. The next prime is 871121057. The reversal of 871121052 is 250121178.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871121057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14278 + ... + 44114.

Almost surely, 2^871121052 is an apocalyptic number.

It is an amenable number.

871121052 is an abundant number, since it is smaller than the sum of its proper divisors (1333668444).

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

871121052 is a wasteful number, since it uses less digits than its factorization.

871121052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30658 (or 30653 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 871121052 is about 29514.7599007683. The cubic root of 871121052 is about 955.0501337862.

The spelling of 871121052 in words is "eight hundred seventy-one million, one hundred twenty-one thousand, fifty-two".