122500559 has 2 divisors, whose sum is σ = 122500560. Its totient is φ = 122500558.

The previous prime is 122500523. The next prime is 122500583. The reversal of 122500559 is 955005221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122500559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122500519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61250279 + 61250280.

It is an arithmetic number, because the mean of its divisors is an integer number (61250280).

Almost surely, 2^122500559 is an apocalyptic number.

122500559 is a deficient number, since it is larger than the sum of its proper divisors (1).

122500559 is an equidigital number, since it uses as much as digits as its factorization.

122500559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 122500559 is about 11067.9970636064. The cubic root of 122500559 is about 496.6449496282.

The spelling of 122500559 in words is "one hundred twenty-two million, five hundred thousand, five hundred fifty-nine".