122785763 has 2 divisors, whose sum is σ = 122785764. Its totient is φ = 122785762.

The previous prime is 122785757. The next prime is 122785777. The reversal of 122785763 is 367587221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122785763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122785763.

It is not a weakly prime, because it can be changed into another prime (122785723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61392881 + 61392882.

It is an arithmetic number, because the mean of its divisors is an integer number (61392882).

Almost surely, 2^122785763 is an apocalyptic number.

122785763 is a deficient number, since it is larger than the sum of its proper divisors (1).

122785763 is an equidigital number, since it uses as much as digits as its factorization.

122785763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 41.

The square root of 122785763 is about 11080.8737471375. The cubic root of 122785763 is about 497.0300780553.

The spelling of 122785763 in words is "one hundred twenty-two million, seven hundred eighty-five thousand, seven hundred sixty-three".