109375720 has 16 divisors (see below), whose sum is σ = 246095460. Its totient is φ = 43750272.

The previous prime is 109375711. The next prime is 109375727. The reversal of 109375720 is 27573901.

It can be written as a sum of positive squares in 2 ways, for example, as 98446084 + 10929636 = 9922^2 + 3306^2 .

It is not an unprimeable number, because it can be changed into a prime (109375727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367157 + ... + 1367236.

Almost surely, 2^109375720 is an apocalyptic number.

109375720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109375720 is an abundant number, since it is smaller than the sum of its proper divisors (136719740).

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

109375720 is a wasteful number, since it uses less digits than its factorization.

109375720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734404 (or 2734400 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 109375720 is about 10458.2847542032. The cubic root of 109375720 is about 478.2338450702.

The spelling of 109375720 in words is "one hundred nine million, three hundred seventy-five thousand, seven hundred twenty".