9121233 has 8 divisors (see below), whose sum is σ = 13267296. Its totient is φ = 5528000.

The previous prime is 9121213. The next prime is 9121241. The reversal of 9121233 is 3321219.

It is a happy number.

9121233 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9121233 - 2¹² = 9117137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138168 + ... + 138233.

It is an arithmetic number, because the mean of its divisors is an integer number (1658412).

Almost surely, 2^9121233 is an apocalyptic number.

It is an amenable number.

9121233 is a deficient number, since it is larger than the sum of its proper divisors (4146063).

9121233 is a wasteful number, since it uses less digits than its factorization.

9121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276415.

The product of its digits is 324, while the sum is 21.

The square root of 9121233 is about 3020.1379107584. The cubic root of 9121233 is about 208.9382004808.

It can be divided in two parts, 912 and 1233, that added together give a triangular number (2145 = T₆₅).

The spelling of 9121233 in words is "nine million, one hundred twenty-one thousand, two hundred thirty-three".