124643424 has 48 divisors (see below), whose sum is σ = 331152192. Its totient is φ = 41044608.

The previous prime is 124643381. The next prime is 124643437. The reversal of 124643424 is 424346421.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a junction number, because it is equal to n+sod(n) for n = 124643391 and 124643400.

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, 147 + ... + 15789.

It is an arithmetic number, because the mean of its divisors is an integer number (6899004).

Almost surely, 2^124643424 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 124643424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165576096).

124643424 is an abundant number, since it is smaller than the sum of its proper divisors (206508768).

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

124643424 is a wasteful number, since it uses less digits than its factorization.

124643424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15739 (or 15731 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 124643424 is about 11164.3819354230. The cubic root of 124643424 is about 499.5241125393.

Adding to 124643424 its reverse (424346421), we get a palindrome (548989845).

The spelling of 124643424 in words is "one hundred twenty-four million, six hundred forty-three thousand, four hundred twenty-four".