972125791231 has 16 divisors (see below), whose sum is σ = 1134680970240. Its totient is φ = 815491933920.

The previous prime is 972125791229. The next prime is 972125791267. The reversal of 972125791231 is 132197521279.

It is a cyclic number.

It is not a de Polignac number, because 972125791231 - 2¹ = 972125791229 is a prime.

It is a super-2 number, since 2×972125791231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972125591231) 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, 17702725 + ... + 17757553.

It is an arithmetic number, because the mean of its divisors is an integer number (70917560640).

Almost surely, 2^972125791231 is an apocalyptic number.

972125791231 is a deficient number, since it is larger than the sum of its proper divisors (162555179009).

972125791231 is a wasteful number, since it uses less digits than its factorization.

972125791231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108774.

The product of its digits is 476280, while the sum is 49.

The spelling of 972125791231 in words is "nine hundred seventy-two billion, one hundred twenty-five million, seven hundred ninety-one thousand, two hundred thirty-one".