1321303841 has 8 divisors (see below), whose sum is σ = 1552301184. Its totient is φ = 1108786320.

The previous prime is 1321303831. The next prime is 1321303849. The reversal of 1321303841 is 1483031231.

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

It is a cyclic number.

It is not a de Polignac number, because 1321303841 - 2¹⁸ = 1321041697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1321303841.

It is not an unprimeable number, because it can be changed into a prime (1321303849) 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, 4619801 + ... + 4620086.

It is an arithmetic number, because the mean of its divisors is an integer number (194037648).

Almost surely, 2^1321303841 is an apocalyptic number.

1321303841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1321303841 is a deficient number, since it is larger than the sum of its proper divisors (230997343).

1321303841 is a wasteful number, since it uses less digits than its factorization.

1321303841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9239911.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1321303841 is about 36349.7433415973. The cubic root of 1321303841 is about 1097.3223691916.

The spelling of 1321303841 in words is "one billion, three hundred twenty-one million, three hundred three thousand, eight hundred forty-one".