108997107 has 4 divisors (see below), whose sum is σ = 145329480. Its totient is φ = 72664736.

The previous prime is 108997087. The next prime is 108997111. The reversal of 108997107 is 701799801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 108997107 - 2⁶ = 108997043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108997127) 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, 18166182 + ... + 18166187.

It is an arithmetic number, because the mean of its divisors is an integer number (36332370).

Almost surely, 2^108997107 is an apocalyptic number.

108997107 is a deficient number, since it is larger than the sum of its proper divisors (36332373).

108997107 is an equidigital number, since it uses as much as digits as its factorization.

108997107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36332372.

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 108997107 is about 10440.1679584191. The cubic root of 108997107 is about 477.6813919362.

The spelling of 108997107 in words is "one hundred eight million, nine hundred ninety-seven thousand, one hundred seven".