242171271 has 12 divisors (see below), whose sum is σ = 350616448. Its totient is φ = 161072064.

The previous prime is 242171243. The next prime is 242171309. The reversal of 242171271 is 172171242.

It is a happy number.

It is not a de Polignac number, because 242171271 - 2⁷ = 242171143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242171471) 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, 27175 + ... + 34968.

Almost surely, 2^242171271 is an apocalyptic number.

242171271 is a deficient number, since it is larger than the sum of its proper divisors (108445177).

242171271 is a wasteful number, since it uses less digits than its factorization.

242171271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62582 (or 62579 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 242171271 is about 15561.8530708910. The cubic root of 242171271 is about 623.3149456162.

The spelling of 242171271 in words is "two hundred forty-two million, one hundred seventy-one thousand, two hundred seventy-one".