100010003 has 4 divisors (see below), whose sum is σ = 104358288. Its totient is φ = 95661720.

The previous prime is 100009979. The next prime is 100010017. The reversal of 100010003 is 300010001.

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 100010003 - 2⁸ = 100009747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100010023) 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, 2174108 + ... + 2174153.

It is an arithmetic number, because the mean of its divisors is an integer number (26089572).

Almost surely, 2^100010003 is an apocalyptic number.

100010003 is a deficient number, since it is larger than the sum of its proper divisors (4348285).

100010003 is an equidigital number, since it uses as much as digits as its factorization.

100010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348284.

The product of its (nonzero) digits is 3, while the sum is 5.

The square root of 100010003 is about 10000.5001374931. The cubic root of 100010003 is about 464.1743594496.

Adding to 100010003 its reverse (300010001), we get a palindrome (400020004).

The spelling of 100010003 in words is "one hundred million, ten thousand, three".