242104439 has 2 divisors, whose sum is σ = 242104440. Its totient is φ = 242104438.

The previous prime is 242104393. The next prime is 242104453. The reversal of 242104439 is 934401242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242104439 - 2⁸ = 242104183 is a prime.

It is a super-2 number, since 2×242104439² = 117229118767009442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242104459) 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 as a sum of consecutive naturals, namely, 121052219 + 121052220.

It is an arithmetic number, because the mean of its divisors is an integer number (121052220).

Almost surely, 2^242104439 is an apocalyptic number.

242104439 is a deficient number, since it is larger than the sum of its proper divisors (1).

242104439 is an equidigital number, since it uses as much as digits as its factorization.

242104439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 242104439 is about 15559.7056206086. The cubic root of 242104439 is about 623.2576016039.

The spelling of 242104439 in words is "two hundred forty-two million, one hundred four thousand, four hundred thirty-nine".