1321147465 has 8 divisors (see below), whose sum is σ = 1729502208. Its totient is φ = 960834480.

The previous prime is 1321147459. The next prime is 1321147489. The reversal of 1321147465 is 5647411231.

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

It is not a de Polignac number, because 1321147465 - 2⁵ = 1321147433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1321147465.

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, 12010377 + ... + 12010486.

It is an arithmetic number, because the mean of its divisors is an integer number (216187776).

Almost surely, 2^1321147465 is an apocalyptic number.

It is an amenable number.

1321147465 is a deficient number, since it is larger than the sum of its proper divisors (408354743).

1321147465 is a wasteful number, since it uses less digits than its factorization.

1321147465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24020879.

The product of its digits is 20160, while the sum is 34.

The square root of 1321147465 is about 36347.5922861474. The cubic root of 1321147465 is about 1097.2790782020.

Adding to 1321147465 its reverse (5647411231), we get a palindrome (6968558696).

The spelling of 1321147465 in words is "one billion, three hundred twenty-one million, one hundred forty-seven thousand, four hundred sixty-five".