128262 has 8 divisors (see below), whose sum is σ = 256536. Its totient is φ = 42752.

The previous prime is 128257. The next prime is 128273. The reversal of 128262 is 262821.

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

128262 is an admirable number.

It is a super-2 number, since 2×128262² = 32902281288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10683 + ... + 10694.

It is an arithmetic number, because the mean of its divisors is an integer number (32067).

2¹²⁸²⁶² is an apocalyptic number.

128262 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128262 is a wasteful number, since it uses less digits than its factorization.

128262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21382.

The product of its digits is 384, while the sum is 21.

The square root of 128262 is about 358.1368453538. The cubic root of 128262 is about 50.4312039069.

It can be divided in two parts, 12826 and 2, that multiplied together give a palindrome (25652).

The spelling of 128262 in words is "one hundred twenty-eight thousand, two hundred sixty-two".