108197 has 4 divisors (see below), whose sum is σ = 108876. Its totient is φ = 107520.

The previous prime is 108193. The next prime is 108203. The reversal of 108197 is 791801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 51076 + 57121 = 226^2 + 239^2 .

It is a cyclic number.

It is not a de Polignac number, because 108197 - 2² = 108193 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108191) 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, 47 + ... + 467.

It is an arithmetic number, because the mean of its divisors is an integer number (27219).

2¹⁰⁸¹⁹⁷ is an apocalyptic number.

It is an amenable number.

108197 is a deficient number, since it is larger than the sum of its proper divisors (679).

108197 is an equidigital number, since it uses as much as digits as its factorization.

108197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 108197 is about 328.9331239021. The cubic root of 108197 is about 47.6509693423.

Adding to 108197 its reverse (791801), we get a palindrome (899998).

The spelling of 108197 in words is "one hundred eight thousand, one hundred ninety-seven".