1321424302 has 48 divisors (see below), whose sum is σ = 2233889280. Its totient is φ = 585590720.

The previous prime is 1321424281. The next prime is 1321424323. The reversal of 1321424302 is 2034241231.

It is an interprime number because it is at equal distance from previous prime (1321424281) and next prime (1321424323).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3450003 + ... + 3450385.

It is an arithmetic number, because the mean of its divisors is an integer number (46539360).

Almost surely, 2^1321424302 is an apocalyptic number.

1321424302 is a deficient number, since it is larger than the sum of its proper divisors (912464978).

1321424302 is a wasteful number, since it uses less digits than its factorization.

1321424302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1321424302 is about 36351.4002756428. The cubic root of 1321424302 is about 1097.3557151763.

Adding to 1321424302 its reverse (2034241231), we get a palindrome (3355665533).

The spelling of 1321424302 in words is "one billion, three hundred twenty-one million, four hundred twenty-four thousand, three hundred two".