121327351387 has 8 divisors (see below), whose sum is σ = 139323274560. Its totient is φ = 104492455560.

The previous prime is 121327351361. The next prime is 121327351469. The reversal of 121327351387 is 783153723121.

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-121327351387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121327351087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290256613 + ... + 290257030.

It is an arithmetic number, because the mean of its divisors is an integer number (17415409320).

Almost surely, 2^121327351387 is an apocalyptic number.

121327351387 is a deficient number, since it is larger than the sum of its proper divisors (17995923173).

121327351387 is a wasteful number, since it uses less digits than its factorization.

121327351387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580513673.

The product of its digits is 211680, while the sum is 43.

The spelling of 121327351387 in words is "one hundred twenty-one billion, three hundred twenty-seven million, three hundred fifty-one thousand, three hundred eighty-seven".