9120939 has 4 divisors (see below), whose sum is σ = 12161256. Its totient is φ = 6080624.

The previous prime is 9120889. The next prime is 9120941. The reversal of 9120939 is 9390219.

9120939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9120939 - 2⁹ = 9120427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9120989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520154 + ... + 1520159.

It is an arithmetic number, because the mean of its divisors is an integer number (3040314).

Almost surely, 2^9120939 is an apocalyptic number.

9120939 is a deficient number, since it is larger than the sum of its proper divisors (3040317).

9120939 is a wasteful number, since it uses less digits than its factorization.

9120939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040316.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 9120939 is about 3020.0892370922. The cubic root of 9120939 is about 208.9359555910.

The spelling of 9120939 in words is "nine million, one hundred twenty thousand, nine hundred thirty-nine".