100008903 has 8 divisors (see below), whose sum is σ = 136182528. Its totient is φ = 65253944.

The previous prime is 100008893. The next prime is 100008929. The reversal of 100008903 is 309800001.

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 100008903 - 2⁵ = 100008871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100008903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100008703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354501 + ... + 354782.

It is an arithmetic number, because the mean of its divisors is an integer number (17022816).

Almost surely, 2^100008903 is an apocalyptic number.

100008903 is a deficient number, since it is larger than the sum of its proper divisors (36173625).

100008903 is an equidigital number, since it uses as much as digits as its factorization.

100008903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709333.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 100008903 is about 10000.4451400925. The cubic root of 100008903 is about 464.1726576410.

Adding to 100008903 its reverse (309800001), we get a palindrome (409808904).

The spelling of 100008903 in words is "one hundred million, eight thousand, nine hundred three".