33132121 has 8 divisors (see below), whose sum is σ = 37715904. Its totient is φ = 28810320.

The previous prime is 33132091. The next prime is 33132139. The reversal of 33132121 is 12123133.

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

It is not a de Polignac number, because 33132121 - 2⁷ = 33131993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33132095 and 33132104.

It is not an unprimeable number, because it can be changed into a prime (33132161) 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, 65226 + ... + 65731.

It is an arithmetic number, because the mean of its divisors is an integer number (4714488).

Almost surely, 2^33132121 is an apocalyptic number.

It is an amenable number.

33132121 is a deficient number, since it is larger than the sum of its proper divisors (4583783).

33132121 is a wasteful number, since it uses less digits than its factorization.

33132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130991.

The product of its digits is 108, while the sum is 16.

The square root of 33132121 is about 5756.0508163149. The cubic root of 33132121 is about 321.1809262686.

Adding to 33132121 its reverse (12123133), we get a palindrome (45255254).

The spelling of 33132121 in words is "thirty-three million, one hundred thirty-two thousand, one hundred twenty-one".