122023320 has 128 divisors (see below), whose sum is σ = 389664000. Its totient is φ = 30481920.

The previous prime is 122023309. The next prime is 122023351. The reversal of 122023320 is 23320221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122023320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248275 + ... + 248765.

It is an arithmetic number, because the mean of its divisors is an integer number (3044250).

Almost surely, 2^122023320 is an apocalyptic number.

122023320 is a gapful number since it is divisible by the number (10) 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 122023320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194832000).

122023320 is an abundant number, since it is smaller than the sum of its proper divisors (267640680).

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

122023320 is a wasteful number, since it uses less digits than its factorization.

122023320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 122023320 is about 11046.4166135449. The cubic root of 122023320 is about 495.9991653645. Note that the first 3 decimals are identical.

Adding to 122023320 its reverse (23320221), we get a palindrome (145343541).

The spelling of 122023320 in words is "one hundred twenty-two million, twenty-three thousand, three hundred twenty".