124122222 has 24 divisors (see below), whose sum is σ = 307350576. Its totient is φ = 35463456.

The previous prime is 124122217. The next prime is 124122223. The reversal of 124122222 is 222221421.

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 = 124122195 and 124122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124122223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492423 + ... + 492674.

It is an arithmetic number, because the mean of its divisors is an integer number (12806274).

Almost surely, 2^124122222 is an apocalyptic number.

124122222 is an abundant number, since it is smaller than the sum of its proper divisors (183228354).

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

124122222 is a wasteful number, since it uses less digits than its factorization.

124122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985112 (or 985109 counting only the distinct ones).

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

The square root of 124122222 is about 11141.0153038222. The cubic root of 124122222 is about 498.8268790605.

Adding to 124122222 its reverse (222221421), we get a palindrome (346343643).

The spelling of 124122222 in words is "one hundred twenty-four million, one hundred twenty-two thousand, two hundred twenty-two".