104322991 has 2 divisors, whose sum is σ = 104322992. Its totient is φ = 104322990.

The previous prime is 104322941. The next prime is 104322997. The reversal of 104322991 is 199223401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104322991 - 2⁹ = 104322479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104322997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52161495 + 52161496.

It is an arithmetic number, because the mean of its divisors is an integer number (52161496).

Almost surely, 2^104322991 is an apocalyptic number.

104322991 is a deficient number, since it is larger than the sum of its proper divisors (1).

104322991 is an equidigital number, since it uses as much as digits as its factorization.

104322991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 104322991 is about 10213.8626875438. The cubic root of 104322991 is about 470.7532677249.

The spelling of 104322991 in words is "one hundred four million, three hundred twenty-two thousand, nine hundred ninety-one".