103003 has 8 divisors (see below), whose sum is σ = 111888. Its totient is φ = 94464.

The previous prime is 103001. The next prime is 103007. The reversal of 103003 is 300301.

It is a happy number.

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 103003 - 2¹ = 103001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103001) 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, 1200 + ... + 1282.

It is an arithmetic number, because the mean of its divisors is an integer number (13986).

2¹⁰³⁰⁰³ is an apocalyptic number.

103003 is a deficient number, since it is larger than the sum of its proper divisors (8885).

103003 is an equidigital number, since it uses as much as digits as its factorization.

103003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173.

The product of its (nonzero) digits is 9, while the sum is 7.

The square root of 103003 is about 320.9408045107. The cubic root of 103003 is about 46.8759365739.

Adding to 103003 its reverse (300301), we get a palindrome (403304).

The spelling of 103003 in words is "one hundred three thousand, three", and thus it is an iban number.