122131224 has 48 divisors (see below), whose sum is σ = 331877520. Its totient is φ = 40574400.

The previous prime is 122131199. The next prime is 122131237. The reversal of 122131224 is 422131221.

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 junction number, because it is equal to n+sod(n) for n = 122131197 and 122131206.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20149 + ... + 25499.

It is an arithmetic number, because the mean of its divisors is an integer number (6914115).

Almost surely, 2^122131224 is an apocalyptic number.

It is an amenable number.

122131224 is an abundant number, since it is smaller than the sum of its proper divisors (209746296).

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

122131224 is a wasteful number, since it uses less digits than its factorization.

122131224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680 (or 5673 counting only the distinct ones).

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

The square root of 122131224 is about 11051.2996520771. The cubic root of 122131224 is about 496.1453246557.

Adding to 122131224 its reverse (422131221), we get a palindrome (544262445).

The spelling of 122131224 in words is "one hundred twenty-two million, one hundred thirty-one thousand, two hundred twenty-four".