122963539 has 2 divisors, whose sum is σ = 122963540. Its totient is φ = 122963538.

The previous prime is 122963537. The next prime is 122963597. The reversal of 122963539 is 935369221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122963539 - 2¹ = 122963537 is a prime.

Together with 122963537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122963537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61481769 + 61481770.

It is an arithmetic number, because the mean of its divisors is an integer number (61481770).

Almost surely, 2^122963539 is an apocalyptic number.

122963539 is a deficient number, since it is larger than the sum of its proper divisors (1).

122963539 is an equidigital number, since it uses as much as digits as its factorization.

122963539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 122963539 is about 11088.8925957464. The cubic root of 122963539 is about 497.2698382335.

The spelling of 122963539 in words is "one hundred twenty-two million, nine hundred sixty-three thousand, five hundred thirty-nine".