109529920 has 28 divisors (see below), whose sum is σ = 260818884. Its totient is φ = 43811840.

The previous prime is 109529911. The next prime is 109529939. The reversal of 109529920 is 29925901.

It can be written as a sum of positive squares in 2 ways, for example, as 82156096 + 27373824 = 9064^2 + 5232^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 109529920.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170821 + ... + 171460.

Almost surely, 2^109529920 is an apocalyptic number.

109529920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109529920 is an abundant number, since it is smaller than the sum of its proper divisors (151288964).

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

109529920 is an equidigital number, since it uses as much as digits as its factorization.

109529920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342298 (or 342288 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 109529920 is about 10465.6543034824. The cubic root of 109529920 is about 478.4584806381.

The spelling of 109529920 in words is "one hundred nine million, five hundred twenty-nine thousand, nine hundred twenty".