1109272373 has 16 divisors (see below), whose sum is σ = 1235278080. Its totient is φ = 987604800.

The previous prime is 1109272357. The next prime is 1109272379. The reversal of 1109272373 is 3732729011.

It is a cyclic number.

It is not a de Polignac number, because 1109272373 - 2⁴ = 1109272357 is a prime.

It is a super-2 number, since 2×1109272373² = 2460970395002102258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109272379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156911 + ... + 163827.

It is an arithmetic number, because the mean of its divisors is an integer number (77204880).

Almost surely, 2^1109272373 is an apocalyptic number.

It is an amenable number.

1109272373 is a deficient number, since it is larger than the sum of its proper divisors (126005707).

1109272373 is a wasteful number, since it uses less digits than its factorization.

1109272373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7228.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 1109272373 is about 33305.7408414826. The cubic root of 1109272373 is about 1035.1725145157.

The spelling of 1109272373 in words is "one billion, one hundred nine million, two hundred seventy-two thousand, three hundred seventy-three".