242404027 has 2 divisors, whose sum is σ = 242404028. Its totient is φ = 242404026.

The previous prime is 242404009. The next prime is 242404031. The reversal of 242404027 is 720404242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242404027 - 2¹⁹ = 241879739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242403992 and 242404010.

It is not a weakly prime, because it can be changed into another prime (242404087) 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, 121202013 + 121202014.

It is an arithmetic number, because the mean of its divisors is an integer number (121202014).

Almost surely, 2^242404027 is an apocalyptic number.

242404027 is a deficient number, since it is larger than the sum of its proper divisors (1).

242404027 is an equidigital number, since it uses as much as digits as its factorization.

242404027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 242404027 is about 15569.3296901312. The cubic root of 242404027 is about 623.5145754592.

Adding to 242404027 its reverse (720404242), we get a palindrome (962808269).

The spelling of 242404027 in words is "two hundred forty-two million, four hundred four thousand, twenty-seven".