121340305003 has 8 divisors (see below), whose sum is σ = 121950249696. Its totient is φ = 120731486400.

The previous prime is 121340304989. The next prime is 121340305033. The reversal of 121340305003 is 300503043121.

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-121340305003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121340305033) 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, 65058 + ... + 496903.

It is an arithmetic number, because the mean of its divisors is an integer number (15243781212).

Almost surely, 2^121340305003 is an apocalyptic number.

121340305003 is a deficient number, since it is larger than the sum of its proper divisors (609944693).

121340305003 is an equidigital number, since it uses as much as digits as its factorization.

121340305003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563045.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 121340305003 its reverse (300503043121), we get a palindrome (421843348124).

The spelling of 121340305003 in words is "one hundred twenty-one billion, three hundred forty million, three hundred five thousand, three".