1321132401104 has 20 divisors (see below), whose sum is σ = 2619221796576. Its totient is φ = 645204195552.

The previous prime is 1321132401079. The next prime is 1321132401133. The reversal of 1321132401104 is 4011042311231.

It is a self number, because there is not a number n which added to its sum of digits gives 1321132401104.

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 3 ways as a sum of consecutive naturals, for example, 960124604 + ... + 960125979.

Almost surely, 2^{1321132401104} is an apocalyptic number.

It is an amenable number.

1321132401104 is a deficient number, since it is larger than the sum of its proper divisors (1298089395472).

1321132401104 is a wasteful number, since it uses less digits than its factorization.

1321132401104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920250634 (or 1920250628 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1321132401104 its reverse (4011042311231), we get a palindrome (5332174712335).

The spelling of 1321132401104 in words is "one trillion, three hundred twenty-one billion, one hundred thirty-two million, four hundred one thousand, one hundred four".