1103103 has 18 divisors (see below), whose sum is σ = 1685736. Its totient is φ = 693792.

The previous prime is 1103101. The next prime is 1103107. The reversal of 1103103 is 3013011.

It is not a de Polignac number, because 1103103 - 2¹ = 1103101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15075 + ... + 15147.

It is an arithmetic number, because the mean of its divisors is an integer number (93652).

2^1103103 is an apocalyptic number.

1103103 is a deficient number, since it is larger than the sum of its proper divisors (582633).

1103103 is an equidigital number, since it uses as much as digits as its factorization.

1103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 99 counting only the distinct ones).

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

The square root of 1103103 is about 1050.2871036055. The cubic root of 1103103 is about 103.3249860294.

Adding to 1103103 its reverse (3013011), we get a palindrome (4116114).

The spelling of 1103103 in words is "one million, one hundred three thousand, one hundred three".