108198128 has 20 divisors (see below), whose sum is σ = 209962008. Its totient is φ = 54014400.

The previous prime is 108198127. The next prime is 108198133. The reversal of 108198128 is 821891801.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 108198091 and 108198100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108198127) 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, 5978 + ... + 15878.

Almost surely, 2^108198128 is an apocalyptic number.

It is an amenable number.

108198128 is a deficient number, since it is larger than the sum of its proper divisors (101763880).

108198128 is an equidigital number, since it uses as much as digits as its factorization.

108198128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10592 (or 10586 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 38.

The square root of 108198128 is about 10401.8329154049. The cubic root of 108198128 is about 476.5113493566.

The spelling of 108198128 in words is "one hundred eight million, one hundred ninety-eight thousand, one hundred twenty-eight".