124052220 has 72 divisors (see below), whose sum is σ = 382702320. Its totient is φ = 32517120.

The previous prime is 124052219. The next prime is 124052237. The reversal of 124052220 is 22250421.

124052220 is a `hidden beast` number, since 124 + 0 + 522 + 20 = 666.

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 = 124052193 and 124052202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4780 + ... + 16460.

It is an arithmetic number, because the mean of its divisors is an integer number (5315310).

Almost surely, 2^124052220 is an apocalyptic number.

124052220 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 124052220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191351160).

124052220 is an abundant number, since it is smaller than the sum of its proper divisors (258650100).

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

124052220 is a wasteful number, since it uses less digits than its factorization.

124052220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11755 (or 11750 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 124052220 is about 11137.8732260697. The cubic root of 124052220 is about 498.7330859020.

The spelling of 124052220 in words is "one hundred twenty-four million, fifty-two thousand, two hundred twenty".