1103204043 has 10 divisors (see below), whose sum is σ = 1647996284. Its totient is φ = 735469308.

The previous prime is 1103204027. The next prime is 1103204059. The reversal of 1103204043 is 3404023011.

It is an interprime number because it is at equal distance from previous prime (1103204027) and next prime (1103204059).

It is not a de Polignac number, because 1103204043 - 2⁴ = 1103204027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103204143) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6809821 + ... + 6809982.

Almost surely, 2^1103204043 is an apocalyptic number.

1103204043 is a deficient number, since it is larger than the sum of its proper divisors (544792241).

1103204043 is an equidigital number, since it uses as much as digits as its factorization.

1103204043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13619815 (or 13619806 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1103204043 is about 33214.5155466703. The cubic root of 1103204043 is about 1033.2814075075.

Adding to 1103204043 its reverse (3404023011), we get a palindrome (4507227054).

The spelling of 1103204043 in words is "one billion, one hundred three million, two hundred four thousand, forty-three".