242724271 has 4 divisors (see below), whose sum is σ = 245451600. Its totient is φ = 239996944.

The previous prime is 242724269. The next prime is 242724281. The reversal of 242724271 is 172427242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242724271 - 2¹ = 242724269 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 (242724211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363531 + ... + 1363708.

It is an arithmetic number, because the mean of its divisors is an integer number (61362900).

Almost surely, 2^242724271 is an apocalyptic number.

242724271 is a deficient number, since it is larger than the sum of its proper divisors (2727329).

242724271 is an equidigital number, since it uses as much as digits as its factorization.

242724271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727328.

The product of its digits is 12544, while the sum is 31.

The square root of 242724271 is about 15579.6107461002. The cubic root of 242724271 is about 623.7890331301.

The spelling of 242724271 in words is "two hundred forty-two million, seven hundred twenty-four thousand, two hundred seventy-one".