122343520 has 96 divisors (see below), whose sum is σ = 314344800. Its totient is φ = 44728320.

The previous prime is 122343461. The next prime is 122343523. The reversal of 122343520 is 25343221.

It is a junction number, because it is equal to n+sod(n) for n = 122343491 and 122343500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122343523) 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 15 ways as a sum of consecutive naturals, for example, 272256 + ... + 272704.

It is an arithmetic number, because the mean of its divisors is an integer number (3274425).

Almost surely, 2^122343520 is an apocalyptic number.

122343520 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 122343520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157172400).

122343520 is an abundant number, since it is smaller than the sum of its proper divisors (192001280).

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

122343520 is a wasteful number, since it uses less digits than its factorization.

122343520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 122343520 is about 11060.9005058359. The cubic root of 122343520 is about 496.4326350122.

Adding to 122343520 its reverse (25343221), we get a palindrome (147686741).

The spelling of 122343520 in words is "one hundred twenty-two million, three hundred forty-three thousand, five hundred twenty".