122544479 has 2 divisors, whose sum is σ = 122544480. Its totient is φ = 122544478.

The previous prime is 122544467. The next prime is 122544493. The reversal of 122544479 is 974445221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122544479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122544179) 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, 61272239 + 61272240.

It is an arithmetic number, because the mean of its divisors is an integer number (61272240).

Almost surely, 2^122544479 is an apocalyptic number.

122544479 is a deficient number, since it is larger than the sum of its proper divisors (1).

122544479 is an equidigital number, since it uses as much as digits as its factorization.

122544479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 122544479 is about 11069.9809846268. The cubic root of 122544479 is about 496.7042964047.

The spelling of 122544479 in words is "one hundred twenty-two million, five hundred forty-four thousand, four hundred seventy-nine".