122424 has 16 divisors (see below), whose sum is σ = 306120. Its totient is φ = 40800.

The previous prime is 122401. The next prime is 122443. The reversal of 122424 is 424221.

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

It is a congruent number.

It is an unprimeable number.

122424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527 + ... + 2574.

2¹²²⁴²⁴ is an apocalyptic number.

It is an amenable number.

122424 is an abundant number, since it is smaller than the sum of its proper divisors (183696).

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

122424 is a wasteful number, since it uses less digits than its factorization.

122424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110 (or 5106 counting only the distinct ones).

The product of its digits is 128, while the sum is 15.

The square root of 122424 is about 349.8914117266. The cubic root of 122424 is about 49.6541465571.

Adding to 122424 its reverse (424221), we get a palindrome (546645).

It can be divided in two parts, 12242 and 4, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 122424 in words is "one hundred twenty-two thousand, four hundred twenty-four", and thus it is an iban number.