1426231121 has 8 divisors (see below), whose sum is σ = 1664659200. Its totient is φ = 1196473248.

The previous prime is 1426231117. The next prime is 1426231153. The reversal of 1426231121 is 1211326241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1426231121 - 2² = 1426231117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426231111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2167196 + ... + 2167853.

It is an arithmetic number, because the mean of its divisors is an integer number (208082400).

Almost surely, 2^1426231121 is an apocalyptic number.

It is an amenable number.

1426231121 is a deficient number, since it is larger than the sum of its proper divisors (238428079).

1426231121 is an equidigital number, since it uses as much as digits as its factorization.

1426231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335103.

The product of its digits is 576, while the sum is 23.

The square root of 1426231121 is about 37765.4752518752. The cubic root of 1426231121 is about 1125.6325321271.

Adding to 1426231121 its reverse (1211326241), we get a palindrome (2637557362).

The spelling of 1426231121 in words is "one billion, four hundred twenty-six million, two hundred thirty-one thousand, one hundred twenty-one".