108820171 has 2 divisors, whose sum is σ = 108820172. Its totient is φ = 108820170.

The previous prime is 108820123. The next prime is 108820207. The reversal of 108820171 is 171028801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108820171 - 2¹³ = 108811979 is a prime.

It is not a weakly prime, because it can be changed into another prime (108820121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54410085 + 54410086.

It is an arithmetic number, because the mean of its divisors is an integer number (54410086).

Almost surely, 2^108820171 is an apocalyptic number.

108820171 is a deficient number, since it is larger than the sum of its proper divisors (1).

108820171 is an equidigital number, since it uses as much as digits as its factorization.

108820171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 108820171 is about 10431.6907066880. The cubic root of 108820171 is about 477.4227770919.

Adding to 108820171 its reverse (171028801), we get a palindrome (279848972).

The spelling of 108820171 in words is "one hundred eight million, eight hundred twenty thousand, one hundred seventy-one".