124043420 has 24 divisors (see below), whose sum is σ = 261954000. Its totient is φ = 49338752.

The previous prime is 124043399. The next prime is 124043443. The reversal of 124043420 is 24340421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 124043392 and 124043401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13745 + ... + 20904.

It is an arithmetic number, because the mean of its divisors is an integer number (10914750).

Almost surely, 2^124043420 is an apocalyptic number.

124043420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124043420 is an abundant number, since it is smaller than the sum of its proper divisors (137910580).

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

124043420 is a wasteful number, since it uses less digits than its factorization.

124043420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34837 (or 34835 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 124043420 is about 11137.4781705734. The cubic root of 124043420 is about 498.7212926025.

Adding to 124043420 its reverse (24340421), we get a palindrome (148383841).

The spelling of 124043420 in words is "one hundred twenty-four million, forty-three thousand, four hundred twenty".