109065980 has 24 divisors (see below), whose sum is σ = 229877088. Its totient is φ = 43466688.

The previous prime is 109065937. The next prime is 109065989. The reversal of 109065980 is 89560901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109065989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4304 + ... + 15383.

It is an arithmetic number, because the mean of its divisors is an integer number (9578212).

Almost surely, 2^109065980 is an apocalyptic number.

109065980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109065980 is an abundant number, since it is smaller than the sum of its proper divisors (120811108).

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

109065980 is a wasteful number, since it uses less digits than its factorization.

109065980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19973 (or 19971 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 109065980 is about 10443.4658997863. The cubic root of 109065980 is about 477.7819830570.

The spelling of 109065980 in words is "one hundred nine million, sixty-five thousand, nine hundred eighty".