33121002 has 16 divisors (see below), whose sum is σ = 66461472. Its totient is φ = 11003760.

The previous prime is 33121001. The next prime is 33121027. The reversal of 33121002 is 20012133.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (33121001) 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, 7149 + ... + 10832.

It is an arithmetic number, because the mean of its divisors is an integer number (4153842).

Almost surely, 2^33121002 is an apocalyptic number.

33121002 is an abundant number, since it is smaller than the sum of its proper divisors (33340470).

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

33121002 is a wasteful number, since it uses less digits than its factorization.

33121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18293.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 33121002 is about 5755.0848820847. The cubic root of 33121002 is about 321.1449932608.

Adding to 33121002 its reverse (20012133), we get a palindrome (53133135).

The spelling of 33121002 in words is "thirty-three million, one hundred twenty-one thousand, two".