128337117 has 8 divisors (see below), whose sum is σ = 176636160. Its totient is φ = 82798080.

The previous prime is 128337103. The next prime is 128337149. The reversal of 128337117 is 711733821.

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

It is not a de Polignac number, because 128337117 - 2⁴ = 128337101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128337017) 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, 689892 + ... + 690077.

It is an arithmetic number, because the mean of its divisors is an integer number (22079520).

Almost surely, 2^128337117 is an apocalyptic number.

It is an amenable number.

128337117 is a deficient number, since it is larger than the sum of its proper divisors (48299043).

128337117 is a wasteful number, since it uses less digits than its factorization.

128337117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380003.

The product of its digits is 7056, while the sum is 33.

The square root of 128337117 is about 11328.5973094642. The cubic root of 128337117 is about 504.4104704429.

The spelling of 128337117 in words is "one hundred twenty-eight million, three hundred thirty-seven thousand, one hundred seventeen".