124724224 has 33 divisors (see below), whose sum is σ = 250043097. Its totient is φ = 62183424.

The previous prime is 124724221. The next prime is 124724261. The reversal of 124724224 is 422427421.

The square root of 124724224 is 11168.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 91546624 + 33177600 = 9568^2 + 5760^2 .

It is a super-2 number, since 2×124724224² = 31112264104804352, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124724192 and 124724201.

It is not an unprimeable number, because it can be changed into a prime (124724221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 357202 + ... + 357550.

Almost surely, 2^124724224 is an apocalyptic number.

124724224 is the 11168-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124724224

124724224 is an abundant number, since it is smaller than the sum of its proper divisors (125318873).

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

124724224 is an frugal number, since it uses more digits than its factorization.

124724224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 351 counting only the distinct ones).

The product of its digits is 7168, while the sum is 28.

The cubic root of 124724224 is about 499.6320279262.

The spelling of 124724224 in words is "one hundred twenty-four million, seven hundred twenty-four thousand, two hundred twenty-four".