122001224 has 16 divisors (see below), whose sum is σ = 229026300. Its totient is φ = 60927552.

The previous prime is 122001221. The next prime is 122001259. The reversal of 122001224 is 422100221.

It can be written as a sum of positive squares in 2 ways, for example, as 114105124 + 7896100 = 10682^2 + 2810^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122001199 and 122001208.

It is not an unprimeable number, because it can be changed into a prime (122001221) 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 in 3 ways as a sum of consecutive naturals, for example, 1679 + ... + 15710.

Almost surely, 2^122001224 is an apocalyptic number.

It is an amenable number.

122001224 is a deficient number, since it is larger than the sum of its proper divisors (107025076).

122001224 is a wasteful number, since it uses less digits than its factorization.

122001224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18272 (or 18268 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 122001224 is about 11045.4164249249. The cubic root of 122001224 is about 495.9692250243.

Adding to 122001224 its reverse (422100221), we get a palindrome (544101445).

The spelling of 122001224 in words is "one hundred twenty-two million, one thousand, two hundred twenty-four".