1321240324241 has 8 divisors (see below), whose sum is σ = 1403186815584. Its totient is φ = 1239763440960.

The previous prime is 1321240324231. The next prime is 1321240324253. The reversal of 1321240324241 is 1424230421231.

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 1321240324241 - 2¹⁸ = 1321240062097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321240324211) by changing a digit.

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, 117396215 + ... + 117407468.

It is an arithmetic number, because the mean of its divisors is an integer number (175398351948).

Almost surely, 2^{1321240324241} is an apocalyptic number.

It is an amenable number.

1321240324241 is a deficient number, since it is larger than the sum of its proper divisors (81946491343).

1321240324241 is a wasteful number, since it uses less digits than its factorization.

1321240324241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234804031.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1321240324241 its reverse (1424230421231), we get a palindrome (2745470745472).

The spelling of 1321240324241 in words is "one trillion, three hundred twenty-one billion, two hundred forty million, three hundred twenty-four thousand, two hundred forty-one".