122012225 has 6 divisors (see below), whose sum is σ = 151295190. Its totient is φ = 97609760.

The previous prime is 122012197. The next prime is 122012257. The reversal of 122012225 is 522210221.

It can be written as a sum of positive squares in 3 ways, for example, as 29986576 + 92025649 = 5476^2 + 9593^2 .

It is not a de Polignac number, because 122012225 - 2²⁶ = 54903361 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2440220 + ... + 2440269.

It is an arithmetic number, because the mean of its divisors is an integer number (25215865).

Almost surely, 2^122012225 is an apocalyptic number.

It is an amenable number.

122012225 is a deficient number, since it is larger than the sum of its proper divisors (29282965).

122012225 is an equidigital number, since it uses as much as digits as its factorization.

122012225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880499 (or 4880494 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122012225 is about 11045.9144030723. The cubic root of 122012225 is about 495.9841319607.

Adding to 122012225 its reverse (522210221), we get a palindrome (644222446).

The spelling of 122012225 in words is "one hundred twenty-two million, twelve thousand, two hundred twenty-five".