104104109 has 2 divisors, whose sum is σ = 104104110. Its totient is φ = 104104108.

The previous prime is 104104093. The next prime is 104104111. The reversal of 104104109 is 901401401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97081609 + 7022500 = 9853^2 + 2650^2 .

It is a cyclic number.

It is not a de Polignac number, because 104104109 - 2⁴ = 104104093 is a prime.

Together with 104104111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104104129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52052054 + 52052055.

It is an arithmetic number, because the mean of its divisors is an integer number (52052055).

Almost surely, 2^104104109 is an apocalyptic number.

It is an amenable number.

104104109 is a deficient number, since it is larger than the sum of its proper divisors (1).

104104109 is an equidigital number, since it uses as much as digits as its factorization.

104104109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 104104109 is about 10203.1421140745. The cubic root of 104104109 is about 470.4238051496.

The spelling of 104104109 in words is "one hundred four million, one hundred four thousand, one hundred nine".