124224420 has 96 divisors (see below), whose sum is σ = 360581760. Its totient is φ = 31933440.

The previous prime is 124224391. The next prime is 124224433. The reversal of 124224420 is 24422421.

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, 229350 + ... + 229890.

It is an arithmetic number, because the mean of its divisors is an integer number (3756060).

Almost surely, 2^124224420 is an apocalyptic number.

124224420 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 124224420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180290880).

124224420 is an abundant number, since it is smaller than the sum of its proper divisors (236357340).

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

124224420 is a wasteful number, since it uses less digits than its factorization.

124224420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 124224420 is about 11145.6009259259. The cubic root of 124224420 is about 498.9637471772.

Adding to 124224420 its reverse (24422421), we get a palindrome (148646841).

The spelling of 124224420 in words is "one hundred twenty-four million, two hundred twenty-four thousand, four hundred twenty".