108128560 has 40 divisors (see below), whose sum is σ = 252126720. Its totient is φ = 43126272.

The previous prime is 108128509. The next prime is 108128561. The reversal of 108128560 is 65821801.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (108128561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28876 + ... + 32404.

It is an arithmetic number, because the mean of its divisors is an integer number (6303168).

Almost surely, 2^108128560 is an apocalyptic number.

108128560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108128560 is an abundant number, since it is smaller than the sum of its proper divisors (143998160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108128560 is a wasteful number, since it uses less digits than its factorization.

108128560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925 (or 3919 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 108128560 is about 10398.4883516788. The cubic root of 108128560 is about 476.4092001805.

The spelling of 108128560 in words is "one hundred eight million, one hundred twenty-eight thousand, five hundred sixty".