1109272 has 16 divisors (see below), whose sum is σ = 2091240. Its totient is φ = 551616.

The previous prime is 1109257. The next prime is 1109281. The reversal of 1109272 is 2729011.

1109272 is nontrivially palindromic in base 5.

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, 2283 + ... + 2725.

2^1109272 is an apocalyptic number.

It is an amenable number.

1109272 is a deficient number, since it is larger than the sum of its proper divisors (981968).

1109272 is a wasteful number, since it uses less digits than its factorization.

1109272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1109272 is about 1053.2198251078. The cubic root of 1109272 is about 103.5172398488.

The spelling of 1109272 in words is "one million, one hundred nine thousand, two hundred seventy-two".