108128220 has 24 divisors (see below), whose sum is σ = 302759184. Its totient is φ = 28834176.

The previous prime is 108128219. The next prime is 108128233. The reversal of 108128220 is 22821801.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 901009 + ... + 901128.

It is an arithmetic number, because the mean of its divisors is an integer number (12614966).

Almost surely, 2^108128220 is an apocalyptic number.

108128220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108128220 is an abundant number, since it is smaller than the sum of its proper divisors (194630964).

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

108128220 is a wasteful number, since it uses less digits than its factorization.

108128220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802149 (or 1802147 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 108128220 is about 10398.4720031358. The cubic root of 108128220 is about 476.4087008388.

The spelling of 108128220 in words is "one hundred eight million, one hundred twenty-eight thousand, two hundred twenty".