32121029 has 2 divisors, whose sum is σ = 32121030. Its totient is φ = 32121028.

The previous prime is 32120993. The next prime is 32121071. The reversal of 32121029 is 92012123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30360100 + 1760929 = 5510^2 + 1327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32121029 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32121029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32121329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060514 + 16060515.

It is an arithmetic number, because the mean of its divisors is an integer number (16060515).

Almost surely, 2^32121029 is an apocalyptic number.

It is an amenable number.

32121029 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121029 is an equidigital number, since it uses as much as digits as its factorization.

32121029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 32121029 is about 5667.5417069484. The cubic root of 32121029 is about 317.8799600985.

The spelling of 32121029 in words is "thirty-two million, one hundred twenty-one thousand, twenty-nine".