128080117 has 8 divisors (see below), whose sum is σ = 139879872. Its totient is φ = 116306400.

The previous prime is 128080103. The next prime is 128080151. The reversal of 128080117 is 711080821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128080117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128080417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4617 + ... + 16657.

It is an arithmetic number, because the mean of its divisors is an integer number (17484984).

Almost surely, 2^128080117 is an apocalyptic number.

It is an amenable number.

128080117 is a deficient number, since it is larger than the sum of its proper divisors (11799755).

128080117 is a wasteful number, since it uses less digits than its factorization.

128080117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13019.

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

The square root of 128080117 is about 11317.2486497382. The cubic root of 128080117 is about 504.0735450016.

The spelling of 128080117 in words is "one hundred twenty-eight million, eighty thousand, one hundred seventeen".