242711121 has 24 divisors (see below), whose sum is σ = 346040640. Its totient is φ = 151136160.

The previous prime is 242711101. The next prime is 242711129. The reversal of 242711121 is 121117242.

It is not a de Polignac number, because 242711121 - 2⁵ = 242711089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242711129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82156 + ... + 85058.

It is an arithmetic number, because the mean of its divisors is an integer number (14418360).

Almost surely, 2^242711121 is an apocalyptic number.

It is an amenable number.

242711121 is a deficient number, since it is larger than the sum of its proper divisors (103329519).

242711121 is a wasteful number, since it uses less digits than its factorization.

242711121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997 (or 2966 counting only the distinct ones).

The product of its digits is 224, while the sum is 21.

The square root of 242711121 is about 15579.1887144357. The cubic root of 242711121 is about 623.7777679829. Note that the first 4 decimals are identical.

Adding to 242711121 its reverse (121117242), we get a palindrome (363828363).

The spelling of 242711121 in words is "two hundred forty-two million, seven hundred eleven thousand, one hundred twenty-one".