242410121 has 2 divisors, whose sum is σ = 242410122. Its totient is φ = 242410120.

The previous prime is 242410109. The next prime is 242410127. The reversal of 242410121 is 121014242.

242410121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177848896 + 64561225 = 13336^2 + 8035^2 .

It is a cyclic number.

It is not a de Polignac number, because 242410121 - 2²⁶ = 175301257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242410121.

It is not a weakly prime, because it can be changed into another prime (242410127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121205060 + 121205061.

It is an arithmetic number, because the mean of its divisors is an integer number (121205061).

Almost surely, 2^242410121 is an apocalyptic number.

It is an amenable number.

242410121 is a deficient number, since it is larger than the sum of its proper divisors (1).

242410121 is an equidigital number, since it uses as much as digits as its factorization.

242410121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 242410121 is about 15569.5253941795. The cubic root of 242410121 is about 623.5198004356.

Adding to 242410121 its reverse (121014242), we get a palindrome (363424363).

The spelling of 242410121 in words is "two hundred forty-two million, four hundred ten thousand, one hundred twenty-one".