1109264 has 20 divisors (see below), whose sum is σ = 2314956. Its totient is φ = 511872.

The previous prime is 1109257. The next prime is 1109281. The reversal of 1109264 is 4629011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 739600 + 369664 = 860^2 + 608^2 .

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, 2459 + ... + 2874.

2^1109264 is an apocalyptic number.

It is an amenable number.

1109264 is an abundant number, since it is smaller than the sum of its proper divisors (1205692).

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

1109264 is a wasteful number, since it uses less digits than its factorization.

1109264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354 (or 5348 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1109264 is about 1053.2160272233. The cubic root of 1109264 is about 103.5169909949.

The spelling of 1109264 in words is "one million, one hundred nine thousand, two hundred sixty-four".