242130241 has 2 divisors, whose sum is σ = 242130242. Its totient is φ = 242130240.

The previous prime is 242130211. The next prime is 242130247. The reversal of 242130241 is 142031242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242113600 + 16641 = 15560^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 242130241 - 2⁵ = 242130209 is a prime.

It is a nialpdrome in base 9.

It is not a weakly prime, because it can be changed into another prime (242130247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121065120 + 121065121.

It is an arithmetic number, because the mean of its divisors is an integer number (121065121).

Almost surely, 2^242130241 is an apocalyptic number.

It is an amenable number.

242130241 is a deficient number, since it is larger than the sum of its proper divisors (1).

242130241 is an equidigital number, since it uses as much as digits as its factorization.

242130241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 242130241 is about 15560.5347273158. The cubic root of 242130241 is about 623.2797418029.

Adding to 242130241 its reverse (142031242), we get a palindrome (384161483).

The spelling of 242130241 in words is "two hundred forty-two million, one hundred thirty thousand, two hundred forty-one".