972712115 has 4 divisors (see below), whose sum is σ = 1167254544. Its totient is φ = 778169688.

The previous prime is 972712099. The next prime is 972712123. The reversal of 972712115 is 511217279.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 972712115 - 2⁴ = 972712099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97271207 + ... + 97271216.

It is an arithmetic number, because the mean of its divisors is an integer number (291813636).

Almost surely, 2^972712115 is an apocalyptic number.

972712115 is a deficient number, since it is larger than the sum of its proper divisors (194542429).

972712115 is a wasteful number, since it uses less digits than its factorization.

972712115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194542428.

The product of its digits is 8820, while the sum is 35.

The square root of 972712115 is about 31188.3329948877. The cubic root of 972712115 is about 990.8200242501.

The spelling of 972712115 in words is "nine hundred seventy-two million, seven hundred twelve thousand, one hundred fifteen".