124065220 has 48 divisors (see below), whose sum is σ = 273611520. Its totient is φ = 47163776.

The previous prime is 124065143. The next prime is 124065223. The reversal of 124065220 is 22560421.

It is a junction number, because it is equal to n+sod(n) for n = 124065191 and 124065200.

It is not an unprimeable number, because it can be changed into a prime (124065223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78801 + ... + 80359.

It is an arithmetic number, because the mean of its divisors is an integer number (5700240).

Almost surely, 2^124065220 is an apocalyptic number.

124065220 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 124065220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136805760).

124065220 is an abundant number, since it is smaller than the sum of its proper divisors (149546300).

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

124065220 is a wasteful number, since it uses less digits than its factorization.

124065220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 124065220 is about 11138.4568051414. The cubic root of 124065220 is about 498.7505068012.

The spelling of 124065220 in words is "one hundred twenty-four million, sixty-five thousand, two hundred twenty".