109443712 has 32 divisors (see below), whose sum is σ = 249181920. Its totient is φ = 46904064.

The previous prime is 109443689. The next prime is 109443721. The reversal of 109443712 is 217344901.

It is a tau number, because it is divible by the number of its divisors (32).

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, 60178 + ... + 61969.

It is an arithmetic number, because the mean of its divisors is an integer number (7786935).

Almost surely, 2^109443712 is an apocalyptic number.

It is an amenable number.

109443712 is an abundant number, since it is smaller than the sum of its proper divisors (139738208).

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

109443712 is an equidigital number, since it uses as much as digits as its factorization.

109443712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122168 (or 122156 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 109443712 is about 10461.5348778274. The cubic root of 109443712 is about 478.3329205024.

The spelling of 109443712 in words is "one hundred nine million, four hundred forty-three thousand, seven hundred twelve".