33121150 has 48 divisors (see below), whose sum is σ = 65245824. Its totient is φ = 12483680.

The previous prime is 33121141. The next prime is 33121159. The reversal of 33121150 is 5112133.

It is an interprime number because it is at equal distance from previous prime (33121141) and next prime (33121159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33121159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95277 + ... + 95623.

It is an arithmetic number, because the mean of its divisors is an integer number (1359288).

Almost surely, 2^33121150 is an apocalyptic number.

33121150 is a deficient number, since it is larger than the sum of its proper divisors (32124674).

33121150 is a wasteful number, since it uses less digits than its factorization.

33121150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 33121150 is about 5755.0977402647. The cubic root of 33121150 is about 321.1454716017.

Adding to 33121150 its reverse (5112133), we get a palindrome (38233283).

The spelling of 33121150 in words is "thirty-three million, one hundred twenty-one thousand, one hundred fifty".