972126259965 has 480 divisors, whose sum is σ = 2196839107584. Its totient is φ = 402540503040.

The previous prime is 972126259939. The next prime is 972126260023. The reversal of 972126259965 is 569952621279.

It is not a de Polignac number, because 972126259965 - 2⁷ = 972126259837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 2648845212 + ... + 2648845578.

Almost surely, 2^972126259965 is an apocalyptic number.

It is an amenable number.

972126259965 is an abundant number, since it is smaller than the sum of its proper divisors (1224712847619).

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

972126259965 is a wasteful number, since it uses less digits than its factorization.

972126259965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 513 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 63.

The spelling of 972126259965 in words is "nine hundred seventy-two billion, one hundred twenty-six million, two hundred fifty-nine thousand, nine hundred sixty-five".