1103105409 has 16 divisors (see below), whose sum is σ = 1703951232. Its totient is φ = 621710208.

The previous prime is 1103105389. The next prime is 1103105413. The reversal of 1103105409 is 9045013011.

It is not a de Polignac number, because 1103105409 - 2²⁰ = 1102056833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1103105429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358254 + ... + 361319.

It is an arithmetic number, because the mean of its divisors is an integer number (106496952).

Almost surely, 2^1103105409 is an apocalyptic number.

It is an amenable number.

1103105409 is a deficient number, since it is larger than the sum of its proper divisors (600845823).

1103105409 is an equidigital number, since it uses as much as digits as its factorization.

1103105409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719656.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1103105409 is about 33213.0307108520. The cubic root of 1103105409 is about 1033.2506124440.

The spelling of 1103105409 in words is "one billion, one hundred three million, one hundred five thousand, four hundred nine".