124424040 has 128 divisors (see below), whose sum is σ = 410780160. Its totient is φ = 29958144.

The previous prime is 124424033. The next prime is 124424051. The reversal of 124424040 is 40424421.

It is a junction number, because it is equal to n+sod(n) for n = 124423998 and 124424016.

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, 72472 + ... + 74168.

It is an arithmetic number, because the mean of its divisors is an integer number (3209220).

Almost surely, 2^124424040 is an apocalyptic number.

124424040 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 124424040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205390080).

124424040 is an abundant number, since it is smaller than the sum of its proper divisors (286356120).

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

124424040 is a wasteful number, since it uses less digits than its factorization.

124424040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771 (or 1767 counting only the distinct ones).

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

The square root of 124424040 is about 11154.5524338720. The cubic root of 124424040 is about 499.2308708206.

Adding to 124424040 its reverse (40424421), we get a palindrome (164848461).

The spelling of 124424040 in words is "one hundred twenty-four million, four hundred twenty-four thousand, forty".