133032121 has 2 divisors, whose sum is σ = 133032122. Its totient is φ = 133032120.

The previous prime is 133032113. The next prime is 133032139. The reversal of 133032121 is 121230331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83174400 + 49857721 = 9120^2 + 7061^2 .

It is a cyclic number.

It is not a de Polignac number, because 133032121 - 2³ = 133032113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133032095 and 133032104.

It is not a weakly prime, because it can be changed into another prime (133032101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66516060 + 66516061.

It is an arithmetic number, because the mean of its divisors is an integer number (66516061).

Almost surely, 2^133032121 is an apocalyptic number.

It is an amenable number.

133032121 is a deficient number, since it is larger than the sum of its proper divisors (1).

133032121 is an equidigital number, since it uses as much as digits as its factorization.

133032121 is an evil number, because the sum of its binary digits is even.

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

The square root of 133032121 is about 11533.9551325640. The cubic root of 133032121 is about 510.4879617846.

Adding to 133032121 its reverse (121230331), we get a palindrome (254262452).

The spelling of 133032121 in words is "one hundred thirty-three million, thirty-two thousand, one hundred twenty-one".