1321452607 has 2 divisors, whose sum is σ = 1321452608. Its totient is φ = 1321452606.

The previous prime is 1321452569. The next prime is 1321452647. The reversal of 1321452607 is 7062541231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1321452607 - 2¹⁹ = 1320928319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1321452647) by changing a digit.

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 as a sum of consecutive naturals, namely, 660726303 + 660726304.

It is an arithmetic number, because the mean of its divisors is an integer number (660726304).

Almost surely, 2^1321452607 is an apocalyptic number.

1321452607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321452607 is an equidigital number, since it uses as much as digits as its factorization.

1321452607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1321452607 is about 36351.7895983128. The cubic root of 1321452607 is about 1097.3635502655.

Adding to 1321452607 its reverse (7062541231), we get a palindrome (8383993838).

The spelling of 1321452607 in words is "one billion, three hundred twenty-one million, four hundred fifty-two thousand, six hundred seven".