1109272983 has 64 divisors (see below), whose sum is σ = 1883212800. Its totient is φ = 565263360.

The previous prime is 1109272979. The next prime is 1109273017. The reversal of 1109272983 is 3892729011.

It is not a de Polignac number, because 1109272983 - 2² = 1109272979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109272903) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 981963 + ... + 983091.

It is an arithmetic number, because the mean of its divisors is an integer number (29425200).

Almost surely, 2^1109272983 is an apocalyptic number.

1109272983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1109272983 is a deficient number, since it is larger than the sum of its proper divisors (773939817).

1109272983 is a wasteful number, since it uses less digits than its factorization.

1109272983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1109272983 is about 33305.7499990617. The cubic root of 1109272983 is about 1035.1727042662.

The spelling of 1109272983 in words is "one billion, one hundred nine million, two hundred seventy-two thousand, nine hundred eighty-three".