171202 has 4 divisors (see below), whose sum is σ = 256806. Its totient is φ = 85600.

The previous prime is 171179. The next prime is 171203. The reversal of 171202 is 202171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202171 = 41 ⋅4931.

It can be written as a sum of positive squares in only one way, i.e., 151321 + 19881 = 389^2 + 141^2 .

It is not an unprimeable number, because it can be changed into a prime (171203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42799 + ... + 42802.

2¹⁷¹²⁰² is an apocalyptic number.

171202 is a deficient number, since it is larger than the sum of its proper divisors (85604).

171202 is an equidigital number, since it uses as much as digits as its factorization.

171202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85603.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 171202 is about 413.7656341457. The cubic root of 171202 is about 55.5268381952.

Adding to 171202 its reverse (202171), we get a palindrome (373373).

It can be divided in two parts, 171 and 202, that added together give a palindrome (373).

The spelling of 171202 in words is "one hundred seventy-one thousand, two hundred two", and thus it is an iban number.