33121038 has 16 divisors (see below), whose sum is σ = 66926160. Its totient is φ = 10926336.

The previous prime is 33121027. The next prime is 33121063. The reversal of 33121038 is 83012133.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27873 + ... + 29036.

It is an arithmetic number, because the mean of its divisors is an integer number (4182885).

Almost surely, 2^33121038 is an apocalyptic number.

33121038 is an abundant number, since it is smaller than the sum of its proper divisors (33805122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33121038 is a wasteful number, since it uses less digits than its factorization.

33121038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57011.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 33121038 is about 5755.0880097528. The cubic root of 33121038 is about 321.1451096141.

The spelling of 33121038 in words is "thirty-three million, one hundred twenty-one thousand, thirty-eight".