108721200 has 270 divisors, whose sum is σ = 414771444. Its totient is φ = 24272640.

The previous prime is 108721187. The next prime is 108721201. The reversal of 108721200 is 2127801.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (108721201) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2528379 + ... + 2528421.

Almost surely, 2^108721200 is an apocalyptic number.

108721200 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 108721200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207385722).

108721200 is an abundant number, since it is smaller than the sum of its proper divisors (306050244).

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

108721200 is a wasteful number, since it uses less digits than its factorization.

108721200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 108721200 is about 10426.9458615646. The cubic root of 108721200 is about 477.2779959014.

The spelling of 108721200 in words is "one hundred eight million, seven hundred twenty-one thousand, two hundred".