122031228 has 48 divisors (see below), whose sum is σ = 316503936. Its totient is φ = 36279360.

The previous prime is 122031209. The next prime is 122031229. The reversal of 122031228 is 822130221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122031229) 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 15 ways as a sum of consecutive naturals, for example, 1726 + ... + 15717.

It is an arithmetic number, because the mean of its divisors is an integer number (6593832).

Almost surely, 2^122031228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122031228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158251968).

122031228 is an abundant number, since it is smaller than the sum of its proper divisors (194472708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122031228 is a wasteful number, since it uses less digits than its factorization.

122031228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17514 (or 17512 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 122031228 is about 11046.7745518771. The cubic root of 122031228 is about 496.0098799194.

Adding to 122031228 its reverse (822130221), we get a palindrome (944161449).

It can be divided in two parts, 12203 and 1228, that added together give a palindrome (13431).

The spelling of 122031228 in words is "one hundred twenty-two million, thirty-one thousand, two hundred twenty-eight".