171272 has 16 divisors (see below), whose sum is σ = 326400. Its totient is φ = 84240.

The previous prime is 171271. The next prime is 171293. The reversal of 171272 is 272171.

It is not an unprimeable number, because it can be changed into a prime (171271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497 + ... + 767.

It is an arithmetic number, because the mean of its divisors is an integer number (20400).

2¹⁷¹²⁷² is an apocalyptic number.

It is an amenable number.

171272 is a deficient number, since it is larger than the sum of its proper divisors (155128).

171272 is a wasteful number, since it uses less digits than its factorization.

171272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 352 counting only the distinct ones).

The product of its digits is 196, while the sum is 20.

The square root of 171272 is about 413.8502144496. The cubic root of 171272 is about 55.5344049858.

The spelling of 171272 in words is "one hundred seventy-one thousand, two hundred seventy-two", and thus it is an iban number.