124113220 has 96 divisors (see below), whose sum is σ = 329204736. Its totient is φ = 38179200.

The previous prime is 124113217. The next prime is 124113233. The reversal of 124113220 is 22311421.

It is a junction number, because it is equal to n+sod(n) for n = 124113194 and 124113203.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 127335 + ... + 128305.

It is an arithmetic number, because the mean of its divisors is an integer number (3429216).

Almost surely, 2^124113220 is an apocalyptic number.

124113220 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 124113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164602368).

124113220 is an abundant number, since it is smaller than the sum of its proper divisors (205091516).

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

124113220 is a wasteful number, since it uses less digits than its factorization.

124113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 124113220 is about 11140.6112938205. The cubic root of 124113220 is about 498.8148195811.

Adding to 124113220 its reverse (22311421), we get a palindrome (146424641).

The spelling of 124113220 in words is "one hundred twenty-four million, one hundred thirteen thousand, two hundred twenty".