124424 has 16 divisors (see below), whose sum is σ = 237120. Its totient is φ = 61200.

The previous prime is 124367. The next prime is 124427. The reversal of 124424 is 424421.

It is a Smith number, since the sum of its digits (17) coincides with the sum of the digits of its prime factors.

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

It is an Ulam number.

Its product of digits (256) is a multiple of the sum of its prime divisors (256).

It is a plaindrome in base 15.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (124427) by changing a digit.

124424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (14820).

2¹²⁴⁴²⁴ is an apocalyptic number.

It is an amenable number.

124424 is a deficient number, since it is larger than the sum of its proper divisors (112696).

124424 is a wasteful number, since it uses less digits than its factorization.

124424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 256 counting only the distinct ones).

The product of its digits is 256, while the sum is 17.

The square root of 124424 is about 352.7378630088. The cubic root of 124424 is about 49.9230817323.

Adding to 124424 its reverse (424421), we get a palindrome (548845).

The spelling of 124424 in words is "one hundred twenty-four thousand, four hundred twenty-four", and thus it is an iban number.