9120911272 has 24 divisors (see below), whose sum is σ = 18797747850. Its totient is φ = 4145868320.

The previous prime is 9120911243. The next prime is 9120911299. The reversal of 9120911272 is 2721190219.

It is a happy number.

9120911272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8895130596 + 225780676 = 94314^2 + 15026^2 .

It is a super-3 number, since 3×9120911272³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4710247 + ... + 4712182.

Almost surely, 2^9120911272 is an apocalyptic number.

It is an amenable number.

9120911272 is an abundant number, since it is smaller than the sum of its proper divisors (9676836578).

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

9120911272 is a wasteful number, since it uses less digits than its factorization.

9120911272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9422457 (or 9422442 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 9120911272 is about 95503.4620943136. The cubic root of 9120911272 is about 2089.3574386633.

The spelling of 9120911272 in words is "nine billion, one hundred twenty million, nine hundred eleven thousand, two hundred seventy-two".