1109104 has 20 divisors (see below), whose sum is σ = 2172976. Its totient is φ = 548352.

The previous prime is 1109057. The next prime is 1109113. The reversal of 1109104 is 4019011.

It is a happy number.

It is a super-2 number, since 2×1109104² = 2460223365632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 1312 + ... + 1984.

2^1109104 is an apocalyptic number.

It is an amenable number.

1109104 is a deficient number, since it is larger than the sum of its proper divisors (1063872).

1109104 is a wasteful number, since it uses less digits than its factorization.

1109104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1109104 is about 1053.1400666578. The cubic root of 1109104 is about 103.5120136661.

The spelling of 1109104 in words is "one million, one hundred nine thousand, one hundred four".