9121113 has 16 divisors (see below), whose sum is σ = 13564800. Its totient is φ = 6057360.

The previous prime is 9121097. The next prime is 9121153. The reversal of 9121113 is 3111219.

9121113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9121113 - 2⁴ = 9121097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9121153) 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, 9223 + ... + 10163.

It is an arithmetic number, because the mean of its divisors is an integer number (847800).

Almost surely, 2^9121113 is an apocalyptic number.

It is an amenable number.

9121113 is a deficient number, since it is larger than the sum of its proper divisors (4443687).

9121113 is a wasteful number, since it uses less digits than its factorization.

9121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309 (or 1303 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

The square root of 9121113 is about 3020.1180440506. The cubic root of 9121113 is about 208.9372842051.

It can be divided in two parts, 912 and 1113, that added together give a square (2025 = 45²).

The spelling of 9121113 in words is "nine million, one hundred twenty-one thousand, one hundred thirteen".