242112971 has 2 divisors, whose sum is σ = 242112972. Its totient is φ = 242112970.

The previous prime is 242112943. The next prime is 242112977. The reversal of 242112971 is 179211242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242112971 - 2¹⁸ = 241850827 is a prime.

It is not a weakly prime, because it can be changed into another prime (242112977) 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, 121056485 + 121056486.

It is an arithmetic number, because the mean of its divisors is an integer number (121056486).

Almost surely, 2^242112971 is an apocalyptic number.

242112971 is a deficient number, since it is larger than the sum of its proper divisors (1).

242112971 is an equidigital number, since it uses as much as digits as its factorization.

242112971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 242112971 is about 15559.9797879046. The cubic root of 242112971 is about 623.2649229227.

The spelling of 242112971 in words is "two hundred forty-two million, one hundred twelve thousand, nine hundred seventy-one".