1303221001 has 8 divisors (see below), whose sum is σ = 1372433600. Its totient is φ = 1234070640.

The previous prime is 1303220999. The next prime is 1303221011. The reversal of 1303221001 is 1001223031.

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 1303221001 - 2¹ = 1303220999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303221011) 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, 31036 + ... + 59746.

It is an arithmetic number, because the mean of its divisors is an integer number (171554200).

Almost surely, 2^1303221001 is an apocalyptic number.

It is an amenable number.

1303221001 is a deficient number, since it is larger than the sum of its proper divisors (69212599).

1303221001 is a wasteful number, since it uses less digits than its factorization.

1303221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31119.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1303221001 is about 36100.1523680995. The cubic root of 1303221001 is about 1092.2935185009.

Adding to 1303221001 its reverse (1001223031), we get a palindrome (2304444032).

The spelling of 1303221001 in words is "one billion, three hundred three million, two hundred twenty-one thousand, one".