204052129 has 2 divisors, whose sum is σ = 204052130. Its totient is φ = 204052128.

The previous prime is 204052109. The next prime is 204052141. The reversal of 204052129 is 921250402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191767104 + 12285025 = 13848^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 204052129 - 2¹¹ = 204050081 is a prime.

It is not a weakly prime, because it can be changed into another prime (204052109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102026064 + 102026065.

It is an arithmetic number, because the mean of its divisors is an integer number (102026065).

Almost surely, 2^204052129 is an apocalyptic number.

It is an amenable number.

204052129 is a deficient number, since it is larger than the sum of its proper divisors (1).

204052129 is an equidigital number, since it uses as much as digits as its factorization.

204052129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 204052129 is about 14284.6816205332. The cubic root of 204052129 is about 588.7266697691.

The spelling of 204052129 in words is "two hundred four million, fifty-two thousand, one hundred twenty-nine".