124222120 has 64 divisors (see below), whose sum is σ = 307981440. Its totient is φ = 44716800.

The previous prime is 124222099. The next prime is 124222123. The reversal of 124222120 is 21222421.

It is a super-2 number, since 2×124222120² = 30862270194588800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124222094 and 124222103.

It is not an unprimeable number, because it can be changed into a prime (124222123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43950 + ... + 46690.

It is an arithmetic number, because the mean of its divisors is an integer number (4812210).

Almost surely, 2^124222120 is an apocalyptic number.

124222120 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 124222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153990720).

124222120 is an abundant number, since it is smaller than the sum of its proper divisors (183759320).

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

124222120 is a wasteful number, since it uses less digits than its factorization.

124222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 124222120 is about 11145.4977457267. The cubic root of 124222120 is about 498.9606677405.

Adding to 124222120 its reverse (21222421), we get a palindrome (145444541).

The spelling of 124222120 in words is "one hundred twenty-four million, two hundred twenty-two thousand, one hundred twenty".