1321160464 has 40 divisors (see below), whose sum is σ = 2769808832. Its totient is φ = 606856320.

The previous prime is 1321160447. The next prime is 1321160539. The reversal of 1321160464 is 4640611231.

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 7 ways as a sum of consecutive naturals, for example, 28837 + ... + 58939.

Almost surely, 2^1321160464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1321160464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384904416).

1321160464 is an abundant number, since it is smaller than the sum of its proper divisors (1448648368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321160464 is a wasteful number, since it uses less digits than its factorization.

1321160464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30335 (or 30329 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1321160464 is about 36347.7711008529. The cubic root of 1321160464 is about 1097.2826769635.

Adding to 1321160464 its reverse (4640611231), we get a palindrome (5961771695).

The spelling of 1321160464 in words is "one billion, three hundred twenty-one million, one hundred sixty thousand, four hundred sixty-four".