242230121 has 8 divisors (see below), whose sum is σ = 276937920. Its totient is φ = 207548208.

The previous prime is 242230097. The next prime is 242230141. The reversal of 242230121 is 121032242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242230121 - 2²² = 238035817 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242230121.

It is not an unprimeable number, because it can be changed into a prime (242230141) 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 7 ways as a sum of consecutive naturals, for example, 21875 + ... + 31031.

It is an arithmetic number, because the mean of its divisors is an integer number (34617240).

Almost surely, 2^242230121 is an apocalyptic number.

It is an amenable number.

242230121 is a deficient number, since it is larger than the sum of its proper divisors (34707799).

242230121 is an equidigital number, since it uses as much as digits as its factorization.

242230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12943.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 242230121 is about 15563.7437976857. The cubic root of 242230121 is about 623.3654320804.

Adding to 242230121 its reverse (121032242), we get a palindrome (363262363).

The spelling of 242230121 in words is "two hundred forty-two million, two hundred thirty thousand, one hundred twenty-one".