1109339872 has 24 divisors (see below), whose sum is σ = 2230484256. Its totient is φ = 542867712.

The previous prime is 1109339857. The next prime is 1109339893. The reversal of 1109339872 is 2789339011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367293 + ... + 370300.

It is an arithmetic number, because the mean of its divisors is an integer number (92936844).

Almost surely, 2^1109339872 is an apocalyptic number.

It is an amenable number.

1109339872 is an abundant number, since it is smaller than the sum of its proper divisors (1121144384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1109339872 is an equidigital number, since it uses as much as digits as its factorization.

1109339872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737650 (or 737642 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 1109339872 is about 33306.7541498718. The cubic root of 1109339872 is about 1035.1935107693.

The spelling of 1109339872 in words is "one billion, one hundred nine million, three hundred thirty-nine thousand, eight hundred seventy-two".