1224004126 has 4 divisors (see below), whose sum is σ = 1836006192. Its totient is φ = 612002062.

The previous prime is 1224004123. The next prime is 1224004151. The reversal of 1224004126 is 6214004221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1224004126² = 2996372200930047752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1224004097 and 1224004106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224004123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306001030 + ... + 306001033.

It is an arithmetic number, because the mean of its divisors is an integer number (459001548).

Almost surely, 2^1224004126 is an apocalyptic number.

1224004126 is a deficient number, since it is larger than the sum of its proper divisors (612002066).

1224004126 is an equidigital number, since it uses as much as digits as its factorization.

1224004126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612002065.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1224004126 is about 34985.7703359523. The cubic root of 1224004126 is about 1069.6974501982.

Adding to 1224004126 its reverse (6214004221), we get a palindrome (7438008347).

The spelling of 1224004126 in words is "one billion, two hundred twenty-four million, four thousand, one hundred twenty-six".