122530459 has 2 divisors, whose sum is σ = 122530460. Its totient is φ = 122530458.

The previous prime is 122530417. The next prime is 122530559. The reversal of 122530459 is 954035221.

It is a weak prime.

It is an emirp because it is prime and its reverse (954035221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122530459 - 2²¹ = 120433307 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 122530459.

It is not a weakly prime, because it can be changed into another prime (122530159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61265229 + 61265230.

It is an arithmetic number, because the mean of its divisors is an integer number (61265230).

Almost surely, 2^122530459 is an apocalyptic number.

122530459 is a deficient number, since it is larger than the sum of its proper divisors (1).

122530459 is an equidigital number, since it uses as much as digits as its factorization.

122530459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 122530459 is about 11069.3477224270. The cubic root of 122530459 is about 496.6853534601.

It can be divided in two parts, 1225 and 30459, that added together give a square (31684 = 178²).

The spelling of 122530459 in words is "one hundred twenty-two million, five hundred thirty thousand, four hundred fifty-nine".