109565772 has 12 divisors (see below), whose sum is σ = 255653496. Its totient is φ = 36521920.

The previous prime is 109565719. The next prime is 109565801. The reversal of 109565772 is 277565901.

It is a tau number, because it is divible by the number of its divisors (12).

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, 4565229 + ... + 4565252.

It is an arithmetic number, because the mean of its divisors is an integer number (21304458).

Almost surely, 2^109565772 is an apocalyptic number.

109565772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109565772 is an abundant number, since it is smaller than the sum of its proper divisors (146087724).

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

109565772 is a wasteful number, since it uses less digits than its factorization.

109565772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9130488 (or 9130486 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 109565772 is about 10467.3670041706. The cubic root of 109565772 is about 478.5106789238.

The spelling of 109565772 in words is "one hundred nine million, five hundred sixty-five thousand, seven hundred seventy-two".