104124409 has 2 divisors, whose sum is σ = 104124410. Its totient is φ = 104124408.

The previous prime is 104124403. The next prime is 104124469. The reversal of 104124409 is 904421401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95004009 + 9120400 = 9747^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 104124409 - 2¹⁹ = 103600121 is a prime.

It is not a weakly prime, because it can be changed into another prime (104124403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52062204 + 52062205.

It is an arithmetic number, because the mean of its divisors is an integer number (52062205).

Almost surely, 2^104124409 is an apocalyptic number.

It is an amenable number.

104124409 is a deficient number, since it is larger than the sum of its proper divisors (1).

104124409 is an equidigital number, since it uses as much as digits as its factorization.

104124409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 104124409 is about 10204.1368571771. The cubic root of 104124409 is about 470.4543802559.

The spelling of 104124409 in words is "one hundred four million, one hundred twenty-four thousand, four hundred nine".