109728988 has 12 divisors (see below), whose sum is σ = 194339880. Its totient is φ = 54203312.

The previous prime is 109728959. The next prime is 109729003. The reversal of 109728988 is 889827901.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 164923 + ... + 165586.

It is an arithmetic number, because the mean of its divisors is an integer number (16194990).

Almost surely, 2^109728988 is an apocalyptic number.

It is an amenable number.

109728988 is a deficient number, since it is larger than the sum of its proper divisors (84610892).

109728988 is a wasteful number, since it uses less digits than its factorization.

109728988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330596 (or 330594 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 52.

The square root of 109728988 is about 10475.1605238297. The cubic root of 109728988 is about 478.7481674766.

The spelling of 109728988 in words is "one hundred nine million, seven hundred twenty-eight thousand, nine hundred eighty-eight".