104239571 has 2 divisors, whose sum is σ = 104239572. Its totient is φ = 104239570.

The previous prime is 104239523. The next prime is 104239579. The reversal of 104239571 is 175932401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104239571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104239579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52119785 + 52119786.

It is an arithmetic number, because the mean of its divisors is an integer number (52119786).

Almost surely, 2^104239571 is an apocalyptic number.

104239571 is a deficient number, since it is larger than the sum of its proper divisors (1).

104239571 is an equidigital number, since it uses as much as digits as its factorization.

104239571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 104239571 is about 10209.7782052305. The cubic root of 104239571 is about 470.6277578090.

The spelling of 104239571 in words is "one hundred four million, two hundred thirty-nine thousand, five hundred seventy-one".