104419109 has 2 divisors, whose sum is σ = 104419110. Its totient is φ = 104419108.

The previous prime is 104419097. The next prime is 104419123. The reversal of 104419109 is 901914401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95550625 + 8868484 = 9775^2 + 2978^2 .

It is a cyclic number.

It is not a de Polignac number, because 104419109 - 2²⁴ = 87641893 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104419199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52209554 + 52209555.

It is an arithmetic number, because the mean of its divisors is an integer number (52209555).

Almost surely, 2^104419109 is an apocalyptic number.

It is an amenable number.

104419109 is a deficient number, since it is larger than the sum of its proper divisors (1).

104419109 is an equidigital number, since it uses as much as digits as its factorization.

104419109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 104419109 is about 10218.5668760350. The cubic root of 104419109 is about 470.8977995387.

The spelling of 104419109 in words is "one hundred four million, four hundred nineteen thousand, one hundred nine".