122213124 has 120 divisors (see below), whose sum is σ = 355658688. Its totient is φ = 36279360.

The previous prime is 122213123. The next prime is 122213173. The reversal of 122213124 is 421312221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 122213097 and 122213106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122213123) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 188569 + ... + 189215.

Almost surely, 2^122213124 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 122213124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177829344).

122213124 is an abundant number, since it is smaller than the sum of its proper divisors (233445564).

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

122213124 is a wasteful number, since it uses less digits than its factorization.

122213124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 716 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 122213124 is about 11055.0044776110. The cubic root of 122213124 is about 496.2562032696.

Adding to 122213124 its reverse (421312221), we get a palindrome (543525345).

The spelling of 122213124 in words is "one hundred twenty-two million, two hundred thirteen thousand, one hundred twenty-four".