109720512 has 84 divisors (see below), whose sum is σ = 343104216. Its totient is φ = 33246720.

The previous prime is 109720463. The next prime is 109720553. The reversal of 109720512 is 215027901.

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 11 ways as a sum of consecutive naturals, for example, 2323 + ... + 14994.

It is an arithmetic number, because the mean of its divisors is an integer number (4084574).

Almost surely, 2^109720512 is an apocalyptic number.

109720512 is a gapful number since it is divisible by the number (12) 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 109720512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171552108).

109720512 is an abundant number, since it is smaller than the sum of its proper divisors (233383704).

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

109720512 is a wasteful number, since it uses less digits than its factorization.

109720512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17346 (or 17333 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 109720512 is about 10474.7559398775. The cubic root of 109720512 is about 478.7358402146.

It can be divided in two parts, 1097 and 20512, that added together give a square (21609 = 147²).

The spelling of 109720512 in words is "one hundred nine million, seven hundred twenty thousand, five hundred twelve".