109119728 has 40 divisors (see below), whose sum is σ = 224274336. Its totient is φ = 51321600.

The previous prime is 109119677. The next prime is 109119749. The reversal of 109119728 is 827911901.

It is a junction number, because it is equal to n+sod(n) for n = 109119691 and 109119700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20018 + ... + 24878.

Almost surely, 2^109119728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109119728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112137168).

109119728 is an abundant number, since it is smaller than the sum of its proper divisors (115154608).

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

109119728 is a wasteful number, since it uses less digits than its factorization.

109119728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953 (or 4947 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 38.

The square root of 109119728 is about 10446.0388664795. The cubic root of 109119728 is about 477.8604542381.

The spelling of 109119728 in words is "one hundred nine million, one hundred nineteen thousand, seven hundred twenty-eight".