9133121 has 4 divisors (see below), whose sum is σ = 9139200. Its totient is φ = 9127044.

The previous prime is 9133099. The next prime is 9133123. The reversal of 9133121 is 1213319.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9133121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9133093 and 9133102.

It is not an unprimeable number, because it can be changed into a prime (9133123) 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, 1040 + ... + 4398.

It is an arithmetic number, because the mean of its divisors is an integer number (2284800).

Almost surely, 2^9133121 is an apocalyptic number.

It is an amenable number.

9133121 is a deficient number, since it is larger than the sum of its proper divisors (6079).

9133121 is a wasteful number, since it uses less digits than its factorization.

9133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078.

The product of its digits is 162, while the sum is 20.

The square root of 9133121 is about 3022.1053919412. The cubic root of 9133121 is about 209.0289330609.

The spelling of 9133121 in words is "nine million, one hundred thirty-three thousand, one hundred twenty-one".