171000 has 96 divisors (see below), whose sum is σ = 608400. Its totient is φ = 43200.

The previous prime is 170971. The next prime is 171007. The reversal of 171000 is 171.

171000 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (9).

171000 is an undulating number in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171007) by changing a digit.

171000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8991 + ... + 9009.

2¹⁷¹⁰⁰⁰ is an apocalyptic number.

171000 is a gapful number since it is divisible by the number (10) 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 171000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304200).

171000 is an abundant number, since it is smaller than the sum of its proper divisors (437400).

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

171000 is a wasteful number, since it uses less digits than its factorization.

171000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 7, while the sum is 9.

The square root of 171000 is about 413.5214625627. The cubic root of 171000 is about 55.5049910291.

Adding to 171000 its reverse (171), we get a palindrome (171171).

171000 divided by its reverse (171) gives a cube (1000 = 10³).

The spelling of 171000 in words is "one hundred seventy-one thousand", and thus it is an iban number.