128517334 has 16 divisors (see below), whose sum is σ = 210572496. Its totient is φ = 58341600.

The previous prime is 128517293. The next prime is 128517341. The reversal of 128517334 is 433715821.

It is a self number, because there is not a number n which added to its sum of digits gives 128517334.

It is a congruent number.

It is an unprimeable number.

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, 15964 + ... + 22624.

It is an arithmetic number, because the mean of its divisors is an integer number (13160781).

Almost surely, 2^128517334 is an apocalyptic number.

128517334 is a deficient number, since it is larger than the sum of its proper divisors (82055162).

128517334 is a wasteful number, since it uses less digits than its factorization.

128517334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7551.

The product of its digits is 20160, while the sum is 34.

The square root of 128517334 is about 11336.5485929360. The cubic root of 128517334 is about 504.6464656270.

The spelling of 128517334 in words is "one hundred twenty-eight million, five hundred seventeen thousand, three hundred thirty-four".