109805712 has 40 divisors (see below), whose sum is σ = 298596960. Its totient is φ = 34675200.

The previous prime is 109805711. The next prime is 109805743. The reversal of 109805712 is 217508901.

It is not an unprimeable number, because it can be changed into a prime (109805711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59289 + ... + 61112.

It is an arithmetic number, because the mean of its divisors is an integer number (7464924).

Almost surely, 2^109805712 is an apocalyptic number.

109805712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109805712 is an abundant number, since it is smaller than the sum of its proper divisors (188791248).

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

109805712 is a wasteful number, since it uses less digits than its factorization.

109805712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120431 (or 120425 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 109805712 is about 10478.8220712063. The cubic root of 109805712 is about 478.8597238889.

The spelling of 109805712 in words is "one hundred nine million, eight hundred five thousand, seven hundred twelve".