71122056 has 32 divisors (see below), whose sum is σ = 178252800. Its totient is φ = 23647680.

The previous prime is 71122027. The next prime is 71122147. The reversal of 71122056 is 65022117.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 6585 + ... + 13623.

It is an arithmetic number, because the mean of its divisors is an integer number (5570400).

Almost surely, 2^71122056 is an apocalyptic number.

It is an amenable number.

71122056 is an abundant number, since it is smaller than the sum of its proper divisors (107130744).

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

71122056 is a wasteful number, since it uses less digits than its factorization.

71122056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7469 (or 7465 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 71122056 is about 8433.3893542276. The cubic root of 71122056 is about 414.3189215667.

The spelling of 71122056 in words is "seventy-one million, one hundred twenty-two thousand, fifty-six".