104003155 has 4 divisors (see below), whose sum is σ = 124803792. Its totient is φ = 83202520.

The previous prime is 104003153. The next prime is 104003167. The reversal of 104003155 is 551300401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 104003155 - 2¹ = 104003153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104003153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10400311 + ... + 10400320.

It is an arithmetic number, because the mean of its divisors is an integer number (31200948).

Almost surely, 2^104003155 is an apocalyptic number.

104003155 is a deficient number, since it is larger than the sum of its proper divisors (20800637).

104003155 is an equidigital number, since it uses as much as digits as its factorization.

104003155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20800636.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 104003155 is about 10198.1937126140. The cubic root of 104003155 is about 470.2716929197.

Adding to 104003155 its reverse (551300401), we get a palindrome (655303556).

The spelling of 104003155 in words is "one hundred four million, three thousand, one hundred fifty-five".