108961197 has 8 divisors (see below), whose sum is σ = 145362144. Its totient is φ = 72600528.

The previous prime is 108961157. The next prime is 108961201. The reversal of 108961197 is 791169801.

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

It is not a de Polignac number, because 108961197 - 2¹⁵ = 108928429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108961157) 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, 3058 + ... + 15075.

It is an arithmetic number, because the mean of its divisors is an integer number (18170268).

Almost surely, 2^108961197 is an apocalyptic number.

It is an amenable number.

108961197 is a deficient number, since it is larger than the sum of its proper divisors (36400947).

108961197 is a wasteful number, since it uses less digits than its factorization.

108961197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20139.

The product of its (nonzero) digits is 27216, while the sum is 42.

The square root of 108961197 is about 10438.4480168270. The cubic root of 108961197 is about 477.6289274767.

The spelling of 108961197 in words is "one hundred eight million, nine hundred sixty-one thousand, one hundred ninety-seven".