100404103 has 4 divisors (see below), whose sum is σ = 100693800. Its totient is φ = 100114408.

The previous prime is 100404049. The next prime is 100404107. The reversal of 100404103 is 301404001.

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

It is a cyclic number.

It is not a de Polignac number, because 100404103 - 2²¹ = 98306951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100404107) 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, 144328 + ... + 145021.

It is an arithmetic number, because the mean of its divisors is an integer number (25173450).

Almost surely, 2^100404103 is an apocalyptic number.

100404103 is a deficient number, since it is larger than the sum of its proper divisors (289697).

100404103 is an equidigital number, since it uses as much as digits as its factorization.

100404103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289696.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100404103 is about 10020.1847787354. The cubic root of 100404103 is about 464.7832697178.

Adding to 100404103 its reverse (301404001), we get a palindrome (401808104).

The spelling of 100404103 in words is "one hundred million, four hundred four thousand, one hundred three".