104404503 has 8 divisors (see below), whose sum is σ = 159092608. Its totient is φ = 59659704.

The previous prime is 104404493. The next prime is 104404513. The reversal of 104404503 is 305404401.

It is an interprime number because it is at equal distance from previous prime (104404493) and next prime (104404513).

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

It is not a de Polignac number, because 104404503 - 2⁵ = 104404471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4971643 = 104404503 / (1 + 0 + 4 + 4 + 0 + 4 + 5 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104404503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104404513) 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, 2485801 + ... + 2485842.

It is an arithmetic number, because the mean of its divisors is an integer number (19886576).

Almost surely, 2^104404503 is an apocalyptic number.

104404503 is a deficient number, since it is larger than the sum of its proper divisors (54688105).

104404503 is an equidigital number, since it uses as much as digits as its factorization.

104404503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971653.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 104404503 is about 10217.8521715672. The cubic root of 104404503 is about 470.8758423380.

Adding to 104404503 its reverse (305404401), we get a palindrome (409808904).

The spelling of 104404503 in words is "one hundred four million, four hundred four thousand, five hundred three".