171268 has 12 divisors (see below), whose sum is σ = 306432. Its totient is φ = 83720.

The previous prime is 171263. The next prime is 171271. The reversal of 171268 is 862171.

It is not an unprimeable number, because it can be changed into a prime (171263) by changing a digit.

171268 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268 + ... + 643.

It is an arithmetic number, because the mean of its divisors is an integer number (25536).

2¹⁷¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

171268 is a deficient number, since it is larger than the sum of its proper divisors (135164).

171268 is a wasteful number, since it uses less digits than its factorization.

171268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 960 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 171268 is about 413.8453817551. The cubic root of 171268 is about 55.5339726533.

The spelling of 171268 in words is "one hundred seventy-one thousand, two hundred sixty-eight".