104020999 has 8 divisors (see below), whose sum is σ = 110111760. Its totient is φ = 98097216.

The previous prime is 104020967. The next prime is 104021003. The reversal of 104020999 is 999020401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104020999 - 2⁵ = 104020967 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104020919) 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 in 7 ways as a sum of consecutive naturals, for example, 40462 + ... + 42955.

It is an arithmetic number, because the mean of its divisors is an integer number (13763970).

Almost surely, 2^104020999 is an apocalyptic number.

104020999 is a deficient number, since it is larger than the sum of its proper divisors (6090761).

104020999 is an equidigital number, since it uses as much as digits as its factorization.

104020999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83489.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 104020999 is about 10199.0685359007. The cubic root of 104020999 is about 470.2985864892.

The spelling of 104020999 in words is "one hundred four million, twenty thousand, nine hundred ninety-nine".