104055209 has 2 divisors, whose sum is σ = 104055210. Its totient is φ = 104055208.

The previous prime is 104055187. The next prime is 104055233. The reversal of 104055209 is 902550401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84695209 + 19360000 = 9203^2 + 4400^2 .

It is a cyclic number.

It is not a de Polignac number, because 104055209 - 2¹² = 104051113 is a prime.

It is not a weakly prime, because it can be changed into another prime (104055269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52027604 + 52027605.

It is an arithmetic number, because the mean of its divisors is an integer number (52027605).

Almost surely, 2^104055209 is an apocalyptic number.

It is an amenable number.

104055209 is a deficient number, since it is larger than the sum of its proper divisors (1).

104055209 is an equidigital number, since it uses as much as digits as its factorization.

104055209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 104055209 is about 10200.7455119712. The cubic root of 104055209 is about 470.3501374625.

The spelling of 104055209 in words is "one hundred four million, fifty-five thousand, two hundred nine".