128106 has 24 divisors (see below), whose sum is σ = 303264. Its totient is φ = 38760.

The previous prime is 128099. The next prime is 128111. The reversal of 128106 is 601821.

It is a super-2 number, since 2×128106² = 32822294472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 128106.

It is an unprimeable number.

128106 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 11 ways as a sum of consecutive naturals, for example, 126 + ... + 521.

It is an arithmetic number, because the mean of its divisors is an integer number (12636).

2¹²⁸¹⁰⁶ is an apocalyptic number.

128106 is an abundant number, since it is smaller than the sum of its proper divisors (175158).

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

128106 is a wasteful number, since it uses less digits than its factorization.

128106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 128106 is about 357.9189852467. The cubic root of 128106 is about 50.4107497856.

128106 divided by its sum of digits (18) gives a palindrome (7117).

Adding to 128106 its reverse (601821), we get a palindrome (729927).

It can be divided in two parts, 12 and 8106, that added together give a palindrome (8118).

The spelling of 128106 in words is "one hundred twenty-eight thousand, one hundred six".