242112133 has 2 divisors, whose sum is σ = 242112134. Its totient is φ = 242112132.

The previous prime is 242112121. The next prime is 242112137. The reversal of 242112133 is 331211242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237714724 + 4397409 = 15418^2 + 2097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242112133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242112133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242112137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121056066 + 121056067.

It is an arithmetic number, because the mean of its divisors is an integer number (121056067).

Almost surely, 2^242112133 is an apocalyptic number.

It is an amenable number.

242112133 is a deficient number, since it is larger than the sum of its proper divisors (1).

242112133 is an equidigital number, since it uses as much as digits as its factorization.

242112133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 242112133 is about 15559.9528598258. The cubic root of 242112133 is about 623.2642038416.

Adding to 242112133 its reverse (331211242), we get a palindrome (573323375).

The spelling of 242112133 in words is "two hundred forty-two million, one hundred twelve thousand, one hundred thirty-three".