1322421123 has 4 divisors (see below), whose sum is σ = 1763228168. Its totient is φ = 881614080.

The previous prime is 1322421059. The next prime is 1322421131. The reversal of 1322421123 is 3211242231.

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

It is not a de Polignac number, because 1322421123 - 2⁶ = 1322421059 is a prime.

It is a super-2 number, since 2×1322421123² = 3497595253113162258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322421123.

It is not an unprimeable number, because it can be changed into a prime (1322421923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220403518 + ... + 220403523.

It is an arithmetic number, because the mean of its divisors is an integer number (440807042).

Almost surely, 2^1322421123 is an apocalyptic number.

1322421123 is a deficient number, since it is larger than the sum of its proper divisors (440807045).

1322421123 is an equidigital number, since it uses as much as digits as its factorization.

1322421123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440807044.

The product of its digits is 576, while the sum is 21.

The square root of 1322421123 is about 36365.1085932656. The cubic root of 1322421123 is about 1097.6315771839.

Adding to 1322421123 its reverse (3211242231), we get a palindrome (4533663354).

The spelling of 1322421123 in words is "one billion, three hundred twenty-two million, four hundred twenty-one thousand, one hundred twenty-three".