33121130 has 16 divisors (see below), whose sum is σ = 68135040. Its totient is φ = 11355792.

The previous prime is 33121129. The next prime is 33121141. The reversal of 33121130 is 3112133.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon 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, 236510 + ... + 236649.

It is an arithmetic number, because the mean of its divisors is an integer number (4258440).

Almost surely, 2^33121130 is an apocalyptic number.

33121130 is an abundant number, since it is smaller than the sum of its proper divisors (35013910).

33121130 is a wasteful number, since it uses less digits than its factorization.

33121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473173.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 33121130 is about 5755.0960026745. The cubic root of 33121130 is about 321.1454069611.

Adding to 33121130 its reverse (3112133), we get a palindrome (36233263).

The spelling of 33121130 in words is "thirty-three million, one hundred twenty-one thousand, one hundred thirty".