124120224 has 72 divisors (see below), whose sum is σ = 354043872. Its totient is φ = 41247360.

The previous prime is 124120169. The next prime is 124120267. The reversal of 124120224 is 422021421.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 124120197 and 124120206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181387 + ... + 182069.

It is an arithmetic number, because the mean of its divisors is an integer number (4917276).

Almost surely, 2^124120224 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 124120224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177021936).

124120224 is an abundant number, since it is smaller than the sum of its proper divisors (229923648).

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

124120224 is a wasteful number, since it uses less digits than its factorization.

124120224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 124120224 is about 11140.9256347935. The cubic root of 124120224 is about 498.8242025012.

Adding to 124120224 its reverse (422021421), we get a palindrome (546141645).

The spelling of 124120224 in words is "one hundred twenty-four million, one hundred twenty thousand, two hundred twenty-four".