109112832 has 120 divisors (see below), whose sum is σ = 326942616. Its totient is φ = 36329472.

The previous prime is 109112831. The next prime is 109112867. The reversal of 109112832 is 238211901.

It is a super-2 number, since 2×109112832² = 23811220214120448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 109112796 and 109112805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109112831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123978 + ... + 124854.

Almost surely, 2^109112832 is an apocalyptic number.

109112832 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 109112832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163471308).

109112832 is an abundant number, since it is smaller than the sum of its proper divisors (217829784).

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

109112832 is an frugal number, since it uses more digits than its factorization.

109112832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 109112832 is about 10445.7087839935. The cubic root of 109112832 is about 477.8503876346.

The spelling of 109112832 in words is "one hundred nine million, one hundred twelve thousand, eight hundred thirty-two".