1321160507 has 8 divisors (see below), whose sum is σ = 1356527760. Its totient is φ = 1285943040.

The previous prime is 1321160447. The next prime is 1321160539. The reversal of 1321160507 is 7050611231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1321160507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321160557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19457 + ... + 54962.

It is an arithmetic number, because the mean of its divisors is an integer number (169565970).

Almost surely, 2^1321160507 is an apocalyptic number.

1321160507 is a deficient number, since it is larger than the sum of its proper divisors (35367253).

1321160507 is an equidigital number, since it uses as much as digits as its factorization.

1321160507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74893.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1321160507 is about 36347.7716923610. The cubic root of 1321160507 is about 1097.2826888680.

Adding to 1321160507 its reverse (7050611231), we get a palindrome (8371771738).

The spelling of 1321160507 in words is "one billion, three hundred twenty-one million, one hundred sixty thousand, five hundred seven".