9120925431 has 16 divisors (see below), whose sum is σ = 13948369920. Its totient is φ = 5884467480.

The previous prime is 9120925427. The next prime is 9120925439. The reversal of 9120925431 is 1345290219.

9120925431 is a `hidden beast` number, since 9 + 1 + 20 + 92 + 543 + 1 = 666.

It is not a de Polignac number, because 9120925431 - 2² = 9120925427 is a prime.

It is a super-2 number, since 2×9120925431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9120925439) 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, 5447745 + ... + 5449418.

It is an arithmetic number, because the mean of its divisors is an integer number (871773120).

Almost surely, 2^9120925431 is an apocalyptic number.

9120925431 is a deficient number, since it is larger than the sum of its proper divisors (4827444489).

9120925431 is a wasteful number, since it uses less digits than its factorization.

9120925431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10897203 (or 10897197 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 9120925431 is about 95503.5362224876. The cubic root of 9120925431 is about 2089.3585198125.

The spelling of 9120925431 in words is "nine billion, one hundred twenty million, nine hundred twenty-five thousand, four hundred thirty-one".