1321302130 has 8 divisors (see below), whose sum is σ = 2378343852. Its totient is φ = 528520848.

The previous prime is 1321302127. The next prime is 1321302133. The reversal of 1321302130 is 312031231.

It is an interprime number because it is at equal distance from previous prime (1321302127) and next prime (1321302133).

It can be written as a sum of positive squares in 2 ways, for example, as 1201246281 + 120055849 = 34659^2 + 10957^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1321302133) 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, 66065097 + ... + 66065116.

Almost surely, 2^1321302130 is an apocalyptic number.

1321302130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321302130 is a deficient number, since it is larger than the sum of its proper divisors (1057041722).

1321302130 is a wasteful number, since it uses less digits than its factorization.

1321302130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132130220.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1321302130 is about 36349.7198063479. The cubic root of 1321302130 is about 1097.3218955384.

Adding to 1321302130 its reverse (312031231), we get a palindrome (1633333361).

The spelling of 1321302130 in words is "one billion, three hundred twenty-one million, three hundred two thousand, one hundred thirty".