1109133 has 10 divisors (see below), whose sum is σ = 1656974. Its totient is φ = 739368.

The previous prime is 1109123. The next prime is 1109159. The reversal of 1109133 is 3319011.

It can be written as a sum of positive squares in only one way, i.e., 1108809 + 324 = 1053^2 + 18^2 .

It is not a de Polignac number, because 1109133 - 2⁴ = 1109117 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 (1109113) 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, 6766 + ... + 6927.

2^1109133 is an apocalyptic number.

It is an amenable number.

1109133 is a deficient number, since it is larger than the sum of its proper divisors (547841).

1109133 is an equidigital number, since it uses as much as digits as its factorization.

1109133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13705 (or 13696 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 1109133 is about 1053.1538349168. The cubic root of 1109133 is about 103.5129158425.

The spelling of 1109133 in words is "one million, one hundred nine thousand, one hundred thirty-three".