4122142243 has 2 divisors, whose sum is σ = 4122142244. Its totient is φ = 4122142242.

The previous prime is 4122142183. The next prime is 4122142249. The reversal of 4122142243 is 3422412214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4122142243 - 2²⁹ = 3585271331 is a prime.

It is not a weakly prime, because it can be changed into another prime (4122142249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061071121 + 2061071122.

It is an arithmetic number, because the mean of its divisors is an integer number (2061071122).

Almost surely, 2^4122142243 is an apocalyptic number.

4122142243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4122142243 is an equidigital number, since it uses as much as digits as its factorization.

4122142243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 4122142243 is about 64203.9114306909. The cubic root of 4122142243 is about 1603.3967217137.

Adding to 4122142243 its reverse (3422412214), we get a palindrome (7544554457).

The spelling of 4122142243 in words is "four billion, one hundred twenty-two million, one hundred forty-two thousand, two hundred forty-three".