122115224 has 64 divisors (see below), whose sum is σ = 287746560. Its totient is φ = 47197440.

The previous prime is 122115221. The next prime is 122115239. The reversal of 122115224 is 422511221.

It is a junction number, because it is equal to n+sod(n) for n = 122115196 and 122115205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122115221) 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, 83669 + ... + 85115.

It is an arithmetic number, because the mean of its divisors is an integer number (4496040).

Almost surely, 2^122115224 is an apocalyptic number.

122115224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122115224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143873280).

122115224 is an abundant number, since it is smaller than the sum of its proper divisors (165631336).

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

122115224 is a wasteful number, since it uses less digits than its factorization.

122115224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1604 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 122115224 is about 11050.5757316078. The cubic root of 122115224 is about 496.1236576006.

Adding to 122115224 its reverse (422511221), we get a palindrome (544626445).

The spelling of 122115224 in words is "one hundred twenty-two million, one hundred fifteen thousand, two hundred twenty-four".