122345479 has 2 divisors, whose sum is σ = 122345480. Its totient is φ = 122345478.

The previous prime is 122345473. The next prime is 122345507. The reversal of 122345479 is 974543221.

It is a weak prime.

It is an emirp because it is prime and its reverse (974543221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122345479 - 2¹⁹ = 121821191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122345473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61172739 + 61172740.

It is an arithmetic number, because the mean of its divisors is an integer number (61172740).

Almost surely, 2^122345479 is an apocalyptic number.

122345479 is a deficient number, since it is larger than the sum of its proper divisors (1).

122345479 is an equidigital number, since it uses as much as digits as its factorization.

122345479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 122345479 is about 11060.9890606582. The cubic root of 122345479 is about 496.4352846726.

The spelling of 122345479 in words is "one hundred twenty-two million, three hundred forty-five thousand, four hundred seventy-nine".