33121204 has 12 divisors (see below), whose sum is σ = 58475844. Its totient is φ = 16413824.

The previous prime is 33121181. The next prime is 33121213. The reversal of 33121204 is 40212133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2340900 + 30780304 = 1530^2 + 5548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36187 + ... + 37090.

It is an arithmetic number, because the mean of its divisors is an integer number (4872987).

Almost surely, 2^33121204 is an apocalyptic number.

It is an amenable number.

33121204 is a deficient number, since it is larger than the sum of its proper divisors (25354640).

33121204 is a wasteful number, since it uses less digits than its factorization.

33121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73394 (or 73392 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 33121204 is about 5755.1024317557. The cubic root of 33121204 is about 321.1456461311.

Adding to 33121204 its reverse (40212133), we get a palindrome (73333337).

The spelling of 33121204 in words is "thirty-three million, one hundred twenty-one thousand, two hundred four".