204125039 has 2 divisors, whose sum is σ = 204125040. Its totient is φ = 204125038.

The previous prime is 204125021. The next prime is 204125087. The reversal of 204125039 is 930521402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204125039 - 2¹⁶ = 204059503 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 204124999 and 204125017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204125939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102062519 + 102062520.

It is an arithmetic number, because the mean of its divisors is an integer number (102062520).

Almost surely, 2^204125039 is an apocalyptic number.

204125039 is a deficient number, since it is larger than the sum of its proper divisors (1).

204125039 is an equidigital number, since it uses as much as digits as its factorization.

204125039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 204125039 is about 14287.2334270845. The cubic root of 204125039 is about 588.7967808567.

The spelling of 204125039 in words is "two hundred four million, one hundred twenty-five thousand, thirty-nine".