171227 has 8 divisors (see below), whose sum is σ = 199392. Its totient is φ = 144000.

The previous prime is 171203. The next prime is 171233. The reversal of 171227 is 722171.

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 171227 - 2⁶ = 171163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 171199 and 171208.

It is not an unprimeable number, because it can be changed into a prime (171427) 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, 227 + ... + 627.

It is an arithmetic number, because the mean of its divisors is an integer number (24924).

2¹⁷¹²²⁷ is an apocalyptic number.

171227 is a deficient number, since it is larger than the sum of its proper divisors (28165).

171227 is an equidigital number, since it uses as much as digits as its factorization.

171227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

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

The square root of 171227 is about 413.7958433817. The cubic root of 171227 is about 55.5295408572.

Adding to 171227 its reverse (722171), we get a palindrome (893398).

The spelling of 171227 in words is "one hundred seventy-one thousand, two hundred twenty-seven", and thus it is an iban number.