122415424 has 14 divisors (see below), whose sum is σ = 242918234. Its totient is φ = 61207680.

The previous prime is 122415421. The next prime is 122415451. The reversal of 122415424 is 424514221.

It can be written as a sum of positive squares in only one way, i.e., 80425024 + 41990400 = 8968^2 + 6480^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122415421) 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, 956307 + ... + 956434.

Almost surely, 2^122415424 is an apocalyptic number.

It is an amenable number.

122415424 is a deficient number, since it is larger than the sum of its proper divisors (120502810).

122415424 is an equidigital number, since it uses as much as digits as its factorization.

122415424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912753 (or 1912743 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 122415424 is about 11064.1503966640. The cubic root of 122415424 is about 496.5298707886.

Adding to 122415424 its reverse (424514221), we get a palindrome (546929645).

The spelling of 122415424 in words is "one hundred twenty-two million, four hundred fifteen thousand, four hundred twenty-four".