124222122 has 24 divisors (see below), whose sum is σ = 271816740. Its totient is φ = 40996800.

The previous prime is 124222099. The next prime is 124222123. The reversal of 124222122 is 221222421.

It can be written as a sum of positive squares in 2 ways, for example, as 86657481 + 37564641 = 9309^2 + 6129^2 .

It is a super-2 number, since 2×124222122² = 30862271188365768, which contains 22 as substring.

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 = 124222095 and 124222104.

It is not an unprimeable number, because it can be changed into a prime (124222123) 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, 32347 + ... + 35982.

Almost surely, 2^124222122 is an apocalyptic number.

124222122 is an abundant number, since it is smaller than the sum of its proper divisors (147594618).

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

124222122 is a wasteful number, since it uses less digits than its factorization.

124222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68438 (or 68435 counting only the distinct ones).

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

The square root of 124222122 is about 11145.4978354491. The cubic root of 124222122 is about 498.9606704183.

Adding to 124222122 its reverse (221222421), we get a palindrome (345444543).

The spelling of 124222122 in words is "one hundred twenty-four million, two hundred twenty-two thousand, one hundred twenty-two".