1320340567 has 16 divisors (see below), whose sum is σ = 1636741120. Its totient is φ = 1037139552.

The previous prime is 1320340559. The next prime is 1320340583. The reversal of 1320340567 is 7650430231.

It is a cyclic number.

It is not a de Polignac number, because 1320340567 - 2³ = 1320340559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320040567) 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 in 15 ways as a sum of consecutive naturals, for example, 39543 + ... + 64840.

It is an arithmetic number, because the mean of its divisors is an integer number (102296320).

Almost surely, 2^1320340567 is an apocalyptic number.

1320340567 is a deficient number, since it is larger than the sum of its proper divisors (316400553).

1320340567 is a wasteful number, since it uses less digits than its factorization.

1320340567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104542.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 1320340567 is about 36336.4908459802. The cubic root of 1320340567 is about 1097.0556429860.

Adding to 1320340567 its reverse (7650430231), we get a palindrome (8970770798).

The spelling of 1320340567 in words is "one billion, three hundred twenty million, three hundred forty thousand, five hundred sixty-seven".