109026720 has 144 divisors (see below), whose sum is σ = 405935712. Its totient is φ = 26426880.

The previous prime is 109026719. The next prime is 109026737. The reversal of 109026720 is 27620901.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×109026720³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12399 + ... + 19281.

It is an arithmetic number, because the mean of its divisors is an integer number (2818998).

Almost surely, 2^109026720 is an apocalyptic number.

109026720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109026720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202967856).

109026720 is an abundant number, since it is smaller than the sum of its proper divisors (296908992).

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

109026720 is a wasteful number, since it uses less digits than its factorization.

109026720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915 (or 6904 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 109026720 is about 10441.5860864143. The cubic root of 109026720 is about 477.7246478188.

It can be divided in two parts, 109026 and 720, that added together give a triangular number (109746 = T₄₆₈).

The spelling of 109026720 in words is "one hundred nine million, twenty-six thousand, seven hundred twenty".