1324401505 has 16 divisors (see below), whose sum is σ = 1858564224. Its totient is φ = 887040000.

The previous prime is 1324401469. The next prime is 1324401511. The reversal of 1324401505 is 5051044231.

It is a happy number.

It is not a de Polignac number, because 1324401505 - 2¹⁵ = 1324368737 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 1324401505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438496 + ... + 441505.

It is an arithmetic number, because the mean of its divisors is an integer number (116160264).

Almost surely, 2^1324401505 is an apocalyptic number.

It is an amenable number.

1324401505 is a deficient number, since it is larger than the sum of its proper divisors (534162719).

1324401505 is an equidigital number, since it uses as much as digits as its factorization.

1324401505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880056.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1324401505 is about 36392.3275567804. The cubic root of 1324401505 is about 1098.1792205929.

Adding to 1324401505 its reverse (5051044231), we get a palindrome (6375445736).

The spelling of 1324401505 in words is "one billion, three hundred twenty-four million, four hundred one thousand, five hundred five".