128210 has 8 divisors (see below), whose sum is σ = 230796. Its totient is φ = 51280.

The previous prime is 128203. The next prime is 128213. The reversal of 128210 is 12821.

It can be written as a sum of positive squares in 2 ways, for example, as 113569 + 14641 = 337^2 + 121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (128213) 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, 6401 + ... + 6420.

2¹²⁸²¹⁰ is an apocalyptic number.

128210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128210 is a deficient number, since it is larger than the sum of its proper divisors (102586).

128210 is a wasteful number, since it uses less digits than its factorization.

128210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12828.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 128210 is about 358.0642400464. The cubic root of 128210 is about 50.4243877102.

The spelling of 128210 in words is "one hundred twenty-eight thousand, two hundred ten".