104840999 has 2 divisors, whose sum is σ = 104841000. Its totient is φ = 104840998.

The previous prime is 104840971. The next prime is 104841001. The reversal of 104840999 is 999048401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104840999 - 2²⁴ = 88063783 is a prime.

It is a Sophie Germain prime.

Together with 104841001, 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 (104840599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52420499 + 52420500.

It is an arithmetic number, because the mean of its divisors is an integer number (52420500).

Almost surely, 2^104840999 is an apocalyptic number.

104840999 is a deficient number, since it is larger than the sum of its proper divisors (1).

104840999 is an equidigital number, since it uses as much as digits as its factorization.

104840999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 104840999 is about 10239.1893722111. The cubic root of 104840999 is about 471.5311450117.

The spelling of 104840999 in words is "one hundred four million, eight hundred forty thousand, nine hundred ninety-nine".