242271 has 12 divisors (see below), whose sum is σ = 363272. Its totient is φ = 161352.

The previous prime is 242261. The next prime is 242273. The reversal of 242271 is 172242.

242271 is nontrivially palindromic in base 8.

It is a de Polignac number, because none of the positive numbers 2^k-242271 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256 + ... + 741.

2²⁴²²⁷¹ is an apocalyptic number.

242271 is a deficient number, since it is larger than the sum of its proper divisors (121001).

242271 is an frugal number, since it uses more digits than its factorization.

242271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1000 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 242271 is about 492.2103208995. The cubic root of 242271 is about 62.3400496701.

The spelling of 242271 in words is "two hundred forty-two thousand, two hundred seventy-one", and thus it is an iban number.