1322103421 has 4 divisors (see below), whose sum is σ = 1322212572. Its totient is φ = 1321994272.

The previous prime is 1322103403. The next prime is 1322103443. The reversal of 1322103421 is 1243012231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 706815396 + 615288025 = 26586^2 + 24805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322103421 - 2⁵ = 1322103389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322103491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33760 + ... + 61513.

It is an arithmetic number, because the mean of its divisors is an integer number (330553143).

Almost surely, 2^1322103421 is an apocalyptic number.

It is an amenable number.

1322103421 is a deficient number, since it is larger than the sum of its proper divisors (109151).

1322103421 is an equidigital number, since it uses as much as digits as its factorization.

1322103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109150.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1322103421 is about 36360.7401052289. The cubic root of 1322103421 is about 1097.5436708252.

Adding to 1322103421 its reverse (1243012231), we get a palindrome (2565115652).

The spelling of 1322103421 in words is "one billion, three hundred twenty-two million, one hundred three thousand, four hundred twenty-one".