1320045335 has 8 divisors (see below), whose sum is σ = 1810347936. Its totient is φ = 905173920.

The previous prime is 1320045301. The next prime is 1320045361. The reversal of 1320045335 is 5335400231.

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

It is not a de Polignac number, because 1320045335 - 2¹⁰ = 1320044311 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 18857756 + ... + 18857825.

It is an arithmetic number, because the mean of its divisors is an integer number (226293492).

Almost surely, 2^1320045335 is an apocalyptic number.

1320045335 is a deficient number, since it is larger than the sum of its proper divisors (490302601).

1320045335 is an equidigital number, since it uses as much as digits as its factorization.

1320045335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37715593.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1320045335 is about 36332.4281462167. The cubic root of 1320045335 is about 1096.9738686107.

Adding to 1320045335 its reverse (5335400231), we get a palindrome (6655445566).

The spelling of 1320045335 in words is "one billion, three hundred twenty million, forty-five thousand, three hundred thirty-five".