108128975 has 6 divisors (see below), whose sum is σ = 134079960. Its totient is φ = 86503160.

The previous prime is 108128971. The next prime is 108128983. The reversal of 108128975 is 579821801.

It is not a de Polignac number, because 108128975 - 2² = 108128971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108128971) 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 in 5 ways as a sum of consecutive naturals, for example, 2162555 + ... + 2162604.

It is an arithmetic number, because the mean of its divisors is an integer number (22346660).

Almost surely, 2^108128975 is an apocalyptic number.

108128975 is a deficient number, since it is larger than the sum of its proper divisors (25950985).

108128975 is an equidigital number, since it uses as much as digits as its factorization.

108128975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325169 (or 4325164 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 41.

The square root of 108128975 is about 10398.5083064832. The cubic root of 108128975 is about 476.4098096697.

The spelling of 108128975 in words is "one hundred eight million, one hundred twenty-eight thousand, nine hundred seventy-five".