1109331 has 6 divisors (see below), whose sum is σ = 1602380. Its totient is φ = 739548.

The previous prime is 1109327. The next prime is 1109347. The reversal of 1109331 is 1339011.

It is not a de Polignac number, because 1109331 - 2² = 1109327 is a prime.

It is a super-2 number, since 2×1109331² = 2461230535122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61621 + ... + 61638.

2^1109331 is an apocalyptic number.

1109331 is a deficient number, since it is larger than the sum of its proper divisors (493049).

1109331 is a wasteful number, since it uses less digits than its factorization.

1109331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123265 (or 123262 counting only the distinct ones).

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

The square root of 1109331 is about 1053.2478340827. The cubic root of 1109331 is about 103.5190751092.

The spelling of 1109331 in words is "one million, one hundred nine thousand, three hundred thirty-one".