1102003103 has 4 divisors (see below), whose sum is σ = 1140003240. Its totient is φ = 1064002968.

The previous prime is 1102003093. The next prime is 1102003151. The reversal of 1102003103 is 3013002011.

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 1102003103 - 2²⁶ = 1034894239 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 (1102003403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19000025 + ... + 19000082.

It is an arithmetic number, because the mean of its divisors is an integer number (285000810).

Almost surely, 2^1102003103 is an apocalyptic number.

1102003103 is a deficient number, since it is larger than the sum of its proper divisors (38000137).

1102003103 is an equidigital number, since it uses as much as digits as its factorization.

1102003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38000136.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1102003103 is about 33196.4320823790. The cubic root of 1102003103 is about 1032.9063304655.

Adding to 1102003103 its reverse (3013002011), we get a palindrome (4115005114).

The spelling of 1102003103 in words is "one billion, one hundred two million, three thousand, one hundred three".