122886479 has 2 divisors, whose sum is σ = 122886480. Its totient is φ = 122886478.

The previous prime is 122886473. The next prime is 122886497. The reversal of 122886479 is 974688221.

It is a happy number.

Together with next prime (122886497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122886479 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 (122886473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61443239 + 61443240.

It is an arithmetic number, because the mean of its divisors is an integer number (61443240).

Almost surely, 2^122886479 is an apocalyptic number.

122886479 is a deficient number, since it is larger than the sum of its proper divisors (1).

122886479 is an equidigital number, since it uses as much as digits as its factorization.

122886479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 47.

The square root of 122886479 is about 11085.4174030570. The cubic root of 122886479 is about 497.1659385419.

The spelling of 122886479 in words is "one hundred twenty-two million, eight hundred eighty-six thousand, four hundred seventy-nine".