121704850543 has 8 divisors (see below), whose sum is σ = 129148848000. Its totient is φ = 114440226648.

The previous prime is 121704850517. The next prime is 121704850601. The reversal of 121704850543 is 345058407121.

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

It is a cyclic number.

It is not a de Polignac number, because 121704850543 - 2⁹ = 121704850031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121704850496 and 121704850505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121704850513) 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 7 ways as a sum of consecutive naturals, for example, 44841993 + ... + 44844706.

It is an arithmetic number, because the mean of its divisors is an integer number (16143606000).

Almost surely, 2^121704850543 is an apocalyptic number.

121704850543 is a deficient number, since it is larger than the sum of its proper divisors (7443997457).

121704850543 is an equidigital number, since it uses as much as digits as its factorization.

121704850543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89686781.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 121704850543 in words is "one hundred twenty-one billion, seven hundred four million, eight hundred fifty thousand, five hundred forty-three".