971056812 has 48 divisors (see below), whose sum is σ = 2475994752. Its totient is φ = 293758080.

The previous prime is 971056789. The next prime is 971056817. The reversal of 971056812 is 218650179.

971056812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (971056817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75483 + ... + 87405.

It is an arithmetic number, because the mean of its divisors is an integer number (51583224).

Almost surely, 2^971056812 is an apocalyptic number.

It is an amenable number.

971056812 is an abundant number, since it is smaller than the sum of its proper divisors (1504937940).

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

971056812 is a wasteful number, since it uses less digits than its factorization.

971056812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12558 (or 12556 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 971056812 is about 31161.7844803535. The cubic root of 971056812 is about 990.2576658163.

The spelling of 971056812 in words is "nine hundred seventy-one million, fifty-six thousand, eight hundred twelve".