13003240121 has 8 divisors (see below), whose sum is σ = 13875124320. Its totient is φ = 12150106272.

The previous prime is 13003240099. The next prime is 13003240157. The reversal of 13003240121 is 12104230031.

13003240121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13003240121 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 13003240121.

It is not an unprimeable number, because it can be changed into a prime (13003240181) 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, 4686155 + ... + 4688928.

It is an arithmetic number, because the mean of its divisors is an integer number (1734390540).

Almost surely, 2^13003240121 is an apocalyptic number.

It is an amenable number.

13003240121 is a deficient number, since it is larger than the sum of its proper divisors (871884199).

13003240121 is an equidigital number, since it uses as much as digits as its factorization.

13003240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9375175.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13003240121 its reverse (12104230031), we get a palindrome (25107470152).

The spelling of 13003240121 in words is "thirteen billion, three million, two hundred forty thousand, one hundred twenty-one".