171012 has 12 divisors (see below), whose sum is σ = 399056. Its totient is φ = 57000.

The previous prime is 171007. The next prime is 171023. The reversal of 171012 is 210171.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 14251 = 171012 / (1 + 7 + 1 + 0 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7114 + ... + 7137.

2¹⁷¹⁰¹² is an apocalyptic number.

171012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171012 is an abundant number, since it is smaller than the sum of its proper divisors (228044).

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

171012 is a wasteful number, since it uses less digits than its factorization.

171012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14258 (or 14256 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 171012 is about 413.5359718332. The cubic root of 171012 is about 55.5062893611.

Adding to 171012 its reverse (210171), we get a palindrome (381183).

The spelling of 171012 in words is "one hundred seventy-one thousand, twelve", and thus it is an iban number.