108720265 has 8 divisors (see below), whose sum is σ = 130640328. Its totient is φ = 86858880.

The previous prime is 108720263. The next prime is 108720301. The reversal of 108720265 is 562027801.

It can be written as a sum of positive squares in 4 ways, for example, as 17842176 + 90878089 = 4224^2 + 9533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108720265 - 2¹ = 108720263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108720263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10482 + ... + 18091.

It is an arithmetic number, because the mean of its divisors is an integer number (16330041).

Almost surely, 2^108720265 is an apocalyptic number.

It is an amenable number.

108720265 is a deficient number, since it is larger than the sum of its proper divisors (21920063).

108720265 is an equidigital number, since it uses as much as digits as its factorization.

108720265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29339.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 108720265 is about 10426.9010257123. The cubic root of 108720265 is about 477.2766277040.

The spelling of 108720265 in words is "one hundred eight million, seven hundred twenty thousand, two hundred sixty-five".