128910 has 16 divisors (see below), whose sum is σ = 309456. Its totient is φ = 34368.

The previous prime is 128903. The next prime is 128923. The reversal of 128910 is 19821.

128910 is nontrivially palindromic in base 12.

It is a congruent number.

It is an unprimeable number.

128910 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 in 7 ways as a sum of consecutive naturals, for example, 2119 + ... + 2178.

It is an arithmetic number, because the mean of its divisors is an integer number (19341).

2¹²⁸⁹¹⁰ is an apocalyptic number.

128910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128910 is an abundant number, since it is smaller than the sum of its proper divisors (180546).

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

128910 is a wasteful number, since it uses less digits than its factorization.

128910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 128910 is about 359.0403877003. The cubic root of 128910 is about 50.5159901003.

The spelling of 128910 in words is "one hundred twenty-eight thousand, nine hundred ten".