128117058 has 8 divisors (see below), whose sum is σ = 256234128. Its totient is φ = 42705684.

The previous prime is 128117047. The next prime is 128117063. The reversal of 128117058 is 850711821.

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

128117058 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 10676416 + ... + 10676427.

It is an arithmetic number, because the mean of its divisors is an integer number (32029266).

Almost surely, 2^128117058 is an apocalyptic number.

128117058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128117058 is a wasteful number, since it uses less digits than its factorization.

128117058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352848.

The product of its (nonzero) digits is 4480, while the sum is 33.

The square root of 128117058 is about 11318.8805983631. The cubic root of 128117058 is about 504.1220021479.

Adding to 128117058 its reverse (850711821), we get a palindrome (978828879).

The spelling of 128117058 in words is "one hundred twenty-eight million, one hundred seventeen thousand, fifty-eight".