128676 has 12 divisors (see below), whose sum is σ = 300272. Its totient is φ = 42888.

The previous prime is 128669. The next prime is 128677. The reversal of 128676 is 676821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (128677) 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, 5350 + ... + 5373.

2¹²⁸⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

128676 is an abundant number, since it is smaller than the sum of its proper divisors (171596).

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

128676 is a wasteful number, since it uses less digits than its factorization.

128676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10730 (or 10728 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 128676 is about 358.7143710531. The cubic root of 128676 is about 50.4854057098.

The spelling of 128676 in words is "one hundred twenty-eight thousand, six hundred seventy-six".