103003603 has 4 divisors (see below), whose sum is σ = 105515928. Its totient is φ = 100491280.

The previous prime is 103003601. The next prime is 103003609. The reversal of 103003603 is 306300301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306300301 = 79 ⋅3877219.

It is a cyclic number.

It is not a de Polignac number, because 103003603 - 2¹ = 103003601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103003601) 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, 1256101 + ... + 1256182.

It is an arithmetic number, because the mean of its divisors is an integer number (26378982).

Almost surely, 2^103003603 is an apocalyptic number.

103003603 is a deficient number, since it is larger than the sum of its proper divisors (2512325).

103003603 is an equidigital number, since it uses as much as digits as its factorization.

103003603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512324.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 103003603 is about 10149.0690706094. The cubic root of 103003603 is about 468.7602804738.

Adding to 103003603 its reverse (306300301), we get a palindrome (409303904).

The spelling of 103003603 in words is "one hundred three million, three thousand, six hundred three".