121340320504 has 32 divisors (see below), whose sum is σ = 259426707120. Its totient is φ = 52708916736.

The previous prime is 121340320463. The next prime is 121340320511. The reversal of 121340320504 is 405023043121.

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 7 ways as a sum of consecutive naturals, for example, 34313934 + ... + 34317469.

Almost surely, 2^121340320504 is an apocalyptic number.

It is an amenable number.

121340320504 is an abundant number, since it is smaller than the sum of its proper divisors (138086386616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121340320504 is a wasteful number, since it uses less digits than its factorization.

121340320504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68631439 (or 68631435 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 121340320504 its reverse (405023043121), we get a palindrome (526363363625).

The spelling of 121340320504 in words is "one hundred twenty-one billion, three hundred forty million, three hundred twenty thousand, five hundred four".