128888 has 8 divisors (see below), whose sum is σ = 241680. Its totient is φ = 64440.

The previous prime is 128879. The next prime is 128903. The reversal of 128888 is 888821.

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

It is a super-2 number, since 2×128888² = 33224233088, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

128888 is a modest number, since divided by 888 gives 128 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8048 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (30210).

2¹²⁸⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

128888 is a deficient number, since it is larger than the sum of its proper divisors (112792).

128888 is a wasteful number, since it uses less digits than its factorization.

128888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16117 (or 16113 counting only the distinct ones).

The product of its digits is 8192, while the sum is 35.

The square root of 128888 is about 359.0097491712. The cubic root of 128888 is about 50.5131162219.

The spelling of 128888 in words is "one hundred twenty-eight thousand, eight hundred eighty-eight".