242755129 has 2 divisors, whose sum is σ = 242755130. Its totient is φ = 242755128.

The previous prime is 242755111. The next prime is 242755151. The reversal of 242755129 is 921557242.

242755129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195860025 + 46895104 = 13995^2 + 6848^2 .

It is a cyclic number.

It is not a de Polignac number, because 242755129 - 2²³ = 234366521 is a prime.

It is not a weakly prime, because it can be changed into another prime (242755159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121377564 + 121377565.

It is an arithmetic number, because the mean of its divisors is an integer number (121377565).

Almost surely, 2^242755129 is an apocalyptic number.

It is an amenable number.

242755129 is a deficient number, since it is larger than the sum of its proper divisors (1).

242755129 is an equidigital number, since it uses as much as digits as its factorization.

242755129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 242755129 is about 15580.6010474564. The cubic root of 242755129 is about 623.8154665069.

The spelling of 242755129 in words is "two hundred forty-two million, seven hundred fifty-five thousand, one hundred twenty-nine".