170112 has 32 divisors (see below), whose sum is σ = 452880. Its totient is φ = 56576.

The previous prime is 170111. The next prime is 170123. The reversal of 170112 is 211071.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (170111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163 + ... + 605.

2¹⁷⁰¹¹² is an apocalyptic number.

170112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 170112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226440).

170112 is an abundant number, since it is smaller than the sum of its proper divisors (282768).

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

170112 is an equidigital number, since it uses as much as digits as its factorization.

170112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 170112 is about 412.4463601488. The cubic root of 170112 is about 55.4087454209.

Adding to 170112 its reverse (211071), we get a palindrome (381183).

It can be divided in two parts, 170 and 112, that added together give a palindrome (282).

The spelling of 170112 in words is "one hundred seventy thousand, one hundred twelve", and thus it is an iban number.