124421424 has 80 divisors (see below), whose sum is σ = 340394880. Its totient is φ = 39052800.

The previous prime is 124421413. The next prime is 124421431. The reversal of 124421424 is 424124421.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 124421394 and 124421403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206724 + ... + 207324.

It is an arithmetic number, because the mean of its divisors is an integer number (4254936).

Almost surely, 2^124421424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124421424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170197440).

124421424 is an abundant number, since it is smaller than the sum of its proper divisors (215973456).

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

124421424 is a wasteful number, since it uses less digits than its factorization.

124421424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 852 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 124421424 is about 11154.4351717153. The cubic root of 124421424 is about 499.2273720404.

Adding to 124421424 its reverse (424124421), we get a palindrome (548545845).

The spelling of 124421424 in words is "one hundred twenty-four million, four hundred twenty-one thousand, four hundred twenty-four".