121984096617 has 12 divisors (see below), whose sum is σ = 179948171520. Its totient is φ = 79592459928.

The previous prime is 121984096607. The next prime is 121984096621. The reversal of 121984096617 is 716690489121.

121984096617 is a `hidden beast` number, since 1 + 2 + 19 + 8 + 4 + 0 + 9 + 6 + 617 = 666.

It is not a de Polignac number, because 121984096617 - 2⁷ = 121984096489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121984096607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144188817 + ... + 144189662.

It is an arithmetic number, because the mean of its divisors is an integer number (14995680960).

Almost surely, 2^121984096617 is an apocalyptic number.

It is an amenable number.

121984096617 is a deficient number, since it is larger than the sum of its proper divisors (57964074903).

121984096617 is a wasteful number, since it uses less digits than its factorization.

121984096617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288378532 (or 288378529 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 121984096617 in words is "one hundred twenty-one billion, nine hundred eighty-four million, ninety-six thousand, six hundred seventeen".