1109023752 has 64 divisors (see below), whose sum is σ = 2903402880. Its totient is φ = 352343552.

The previous prime is 1109023739. The next prime is 1109023759. The reversal of 1109023752 is 2573209011.

It is not an unprimeable number, because it can be changed into a prime (1109023759) 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, 158308 + ... + 165164.

It is an arithmetic number, because the mean of its divisors is an integer number (45365670).

Almost surely, 2^1109023752 is an apocalyptic number.

1109023752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109023752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451701440).

1109023752 is an abundant number, since it is smaller than the sum of its proper divisors (1794379128).

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

1109023752 is a wasteful number, since it uses less digits than its factorization.

1109023752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182 (or 7178 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1109023752 is about 33302.0082277331. The cubic root of 1109023752 is about 1035.0951710660.

The spelling of 1109023752 in words is "one billion, one hundred nine million, twenty-three thousand, seven hundred fifty-two".