128596 has 12 divisors (see below), whose sum is σ = 242452. Its totient is φ = 59328.

The previous prime is 128591. The next prime is 128599. The reversal of 128596 is 695821.

It can be written as a sum of positive squares in 2 ways, for example, as 55696 + 72900 = 236^2 + 270^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185 + ... + 1288.

2¹²⁸⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

128596 is a deficient number, since it is larger than the sum of its proper divisors (113856).

128596 is a wasteful number, since it uses less digits than its factorization.

128596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2488 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 128596 is about 358.6028443836. The cubic root of 128596 is about 50.4749410033.

The spelling of 128596 in words is "one hundred twenty-eight thousand, five hundred ninety-six".