104568109 has 2 divisors, whose sum is σ = 104568110. Its totient is φ = 104568108.

The previous prime is 104568089. The next prime is 104568133. The reversal of 104568109 is 901865401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55875625 + 48692484 = 7475^2 + 6978^2 .

It is a cyclic number.

It is not a de Polignac number, because 104568109 - 2¹¹ = 104566061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104568199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52284054 + 52284055.

It is an arithmetic number, because the mean of its divisors is an integer number (52284055).

Almost surely, 2^104568109 is an apocalyptic number.

It is an amenable number.

104568109 is a deficient number, since it is larger than the sum of its proper divisors (1).

104568109 is an equidigital number, since it uses as much as digits as its factorization.

104568109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 104568109 is about 10225.8549275843. The cubic root of 104568109 is about 471.1216743512.

The spelling of 104568109 in words is "one hundred four million, five hundred sixty-eight thousand, one hundred nine".