17128 has 8 divisors (see below), whose sum is σ = 32130. Its totient is φ = 8560.

The previous prime is 17123. The next prime is 17137. The reversal of 17128 is 82171.

It can be written as a sum of positive squares in only one way, i.e., 10404 + 6724 = 102^2 + 82^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (17123) by changing a digit.

17128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063 + ... + 1078.

2¹⁷¹²⁸ is an apocalyptic number.

It is an amenable number.

17128 is a deficient number, since it is larger than the sum of its proper divisors (15002).

17128 is a wasteful number, since it uses less digits than its factorization.

17128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147 (or 2143 counting only the distinct ones).

The product of its digits is 112, while the sum is 19.

The square root of 17128 is about 130.8739851919. The cubic root of 17128 is about 25.7771887389. Note that the first 3 decimals are identical.

Adding to 17128 its reverse (82171), we get a palindrome (99299).

The spelling of 17128 in words is "seventeen thousand, one hundred twenty-eight".