99033121 has 8 divisors (see below), whose sum is σ = 108408384. Its totient is φ = 89719920.

The previous prime is 99033113. The next prime is 99033131. The reversal of 99033121 is 12133099.

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 99033121 - 2³ = 99033113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99033121.

It is not an unprimeable number, because it can be changed into a prime (99033131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12141 + ... + 18586.

It is an arithmetic number, because the mean of its divisors is an integer number (13551048).

Almost surely, 2^99033121 is an apocalyptic number.

It is an amenable number.

99033121 is a deficient number, since it is larger than the sum of its proper divisors (9375263).

99033121 is a wasteful number, since it uses less digits than its factorization.

99033121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31031.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 99033121 is about 9951.5386247555. The cubic root of 99033121 is about 462.6580843578.

The spelling of 99033121 in words is "ninety-nine million, thirty-three thousand, one hundred twenty-one".