104011309 has 2 divisors, whose sum is σ = 104011310. Its totient is φ = 104011308.

The previous prime is 104011291. The next prime is 104011331. The reversal of 104011309 is 903110401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85045284 + 18966025 = 9222^2 + 4355^2 .

It is a cyclic number.

It is not a de Polignac number, because 104011309 - 2¹⁵ = 103978541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104011409) 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, 52005654 + 52005655.

It is an arithmetic number, because the mean of its divisors is an integer number (52005655).

Almost surely, 2^104011309 is an apocalyptic number.

It is an amenable number.

104011309 is a deficient number, since it is larger than the sum of its proper divisors (1).

104011309 is an equidigital number, since it uses as much as digits as its factorization.

104011309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 104011309 is about 10198.5934814562. The cubic root of 104011309 is about 470.2839825956.

The spelling of 104011309 in words is "one hundred four million, eleven thousand, three hundred nine".