972112556 has 24 divisors (see below), whose sum is σ = 1734642000. Its totient is φ = 476544704.

The previous prime is 972112553. The next prime is 972112571. The reversal of 972112556 is 655211279.

It is a happy number.

972112556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (972112553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86510 + ... + 97098.

It is an arithmetic number, because the mean of its divisors is an integer number (72276750).

Almost surely, 2^972112556 is an apocalyptic number.

It is an amenable number.

972112556 is a deficient number, since it is larger than the sum of its proper divisors (762529444).

972112556 is a wasteful number, since it uses less digits than its factorization.

972112556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041 (or 11039 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 972112556 is about 31178.7196016770. The cubic root of 972112556 is about 990.6164089666.

The spelling of 972112556 in words is "nine hundred seventy-two million, one hundred twelve thousand, five hundred fifty-six".