171071 has 8 divisors (see below), whose sum is σ = 187920. Its totient is φ = 155008.

The previous prime is 171053. The next prime is 171077. The reversal of 171071 is 170171.

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

It is a cyclic number.

It is not a de Polignac number, because 171071 - 2⁶ = 171007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a plaindrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171077) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 320 + ... + 666.

It is an arithmetic number, because the mean of its divisors is an integer number (23490).

2¹⁷¹⁰⁷¹ is an apocalyptic number.

171071 is a deficient number, since it is larger than the sum of its proper divisors (16849).

171071 is a wasteful number, since it uses less digits than its factorization.

171071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 49, while the sum is 17.

The square root of 171071 is about 413.6073016764. The cubic root of 171071 is about 55.5126719435.

Subtracting from 171071 its reverse (170171), we obtain a square (900 = 30²).

The spelling of 171071 in words is "one hundred seventy-one thousand, seventy-one", and thus it is an iban number.