108720000 has 240 divisors, whose sum is σ = 393530280. Its totient is φ = 28800000.

The previous prime is 108719999. The next prime is 108720047. The reversal of 108720000 is 27801.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 719925 + ... + 720075.

Almost surely, 2^108720000 is an apocalyptic number.

108720000 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 108720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196765140).

108720000 is an abundant number, since it is smaller than the sum of its proper divisors (284810280).

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

108720000 is an equidigital number, since it uses as much as digits as its factorization.

108720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 108720000 is about 10426.8883181897. Note that the first 3 decimals coincide. The cubic root of 108720000 is about 477.2762399247.

Adding to 108720000 its reverse (27801), we get a palindrome (108747801).

The spelling of 108720000 in words is "one hundred eight million, seven hundred twenty thousand".