9121001233 has 4 divisors (see below), whose sum is σ = 9517566528. Its totient is φ = 8724435940.

The previous prime is 9121001231. The next prime is 9121001251. The reversal of 9121001233 is 3321001219.

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.

It is a cyclic number.

It is not a de Polignac number, because 9121001233 - 2¹ = 9121001231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9121001231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198282613 + ... + 198282658.

It is an arithmetic number, because the mean of its divisors is an integer number (2379391632).

Almost surely, 2^9121001233 is an apocalyptic number.

It is an amenable number.

9121001233 is a deficient number, since it is larger than the sum of its proper divisors (396565295).

9121001233 is a wasteful number, since it uses less digits than its factorization.

9121001233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396565294.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 9121001233 is about 95503.9330760781. The cubic root of 9121001233 is about 2089.3643078624.

The spelling of 9121001233 in words is "nine billion, one hundred twenty-one million, one thousand, two hundred thirty-three".