33130121 has 8 divisors (see below), whose sum is σ = 33593088. Its totient is φ = 32670000.

The previous prime is 33130099. The next prime is 33130157. The reversal of 33130121 is 12103133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33130121 - 2⁶ = 33130057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33130096 and 33130105.

It is not an unprimeable number, because it can be changed into a prime (33130171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32936 + ... + 33926.

It is an arithmetic number, because the mean of its divisors is an integer number (4199136).

Almost surely, 2^33130121 is an apocalyptic number.

It is an amenable number.

33130121 is a deficient number, since it is larger than the sum of its proper divisors (462967).

33130121 is a wasteful number, since it uses less digits than its factorization.

33130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

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

The square root of 33130121 is about 5755.8770834687. The cubic root of 33130121 is about 321.1744635092.

Adding to 33130121 its reverse (12103133), we get a palindrome (45233254).

The spelling of 33130121 in words is "thirty-three million, one hundred thirty thousand, one hundred twenty-one".