102271 has 4 divisors (see below), whose sum is σ = 110152. Its totient is φ = 94392.

The previous prime is 102259. The next prime is 102293. The reversal of 102271 is 172201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172201 = 23 ⋅7487.

It is a cyclic number.

It is not a de Polignac number, because 102271 - 2¹³ = 94079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 7867 = 102271 / (1 + 0 + 2 + 2 + 7 + 1).

It is a Duffinian number.

102271 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3921 + ... + 3946.

It is an arithmetic number, because the mean of its divisors is an integer number (27538).

2¹⁰²²⁷¹ is an apocalyptic number.

102271 is a deficient number, since it is larger than the sum of its proper divisors (7881).

102271 is an equidigital number, since it uses as much as digits as its factorization.

102271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880.

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

The square root of 102271 is about 319.7983739796. The cubic root of 102271 is about 46.7646298118.

Adding to 102271 its reverse (172201), we get a palindrome (274472).

It can be divided in two parts, 102 and 271, that added together give a palindrome (373).

The spelling of 102271 in words is "one hundred two thousand, two hundred seventy-one", and thus it is an iban number.