122357903 has 2 divisors, whose sum is σ = 122357904. Its totient is φ = 122357902.

The previous prime is 122357849. The next prime is 122357909. The reversal of 122357903 is 309753221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122357903 - 2⁶ = 122357839 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122357903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122357909) 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, 61178951 + 61178952.

It is an arithmetic number, because the mean of its divisors is an integer number (61178952).

Almost surely, 2^122357903 is an apocalyptic number.

122357903 is a deficient number, since it is larger than the sum of its proper divisors (1).

122357903 is an equidigital number, since it uses as much as digits as its factorization.

122357903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 122357903 is about 11061.5506598307. The cubic root of 122357903 is about 496.4520881902.

The spelling of 122357903 in words is "one hundred twenty-two million, three hundred fifty-seven thousand, nine hundred three".