4240122539 has 2 divisors, whose sum is σ = 4240122540. Its totient is φ = 4240122538.

The previous prime is 4240122529. The next prime is 4240122553. The reversal of 4240122539 is 9352210424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4240122539 - 2⁸ = 4240122283 is a prime.

It is not a weakly prime, because it can be changed into another prime (4240122529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120061269 + 2120061270.

It is an arithmetic number, because the mean of its divisors is an integer number (2120061270).

Almost surely, 2^4240122539 is an apocalyptic number.

4240122539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240122539 is an equidigital number, since it uses as much as digits as its factorization.

4240122539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4240122539 is about 65116.2233164670. The cubic root of 4240122539 is about 1618.5500590268.

The spelling of 4240122539 in words is "four billion, two hundred forty million, one hundred twenty-two thousand, five hundred thirty-nine".