121715947384054 has 8 divisors (see below), whose sum is σ = 182574188437608. Its totient is φ = 60857884571520.

The previous prime is 121715947384021. The next prime is 121715947384111. The reversal of 121715947384054 is 450483749517121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121715947383983 and 121715947384001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42839787 + ... + 45592534.

It is an arithmetic number, because the mean of its divisors is an integer number (22821773554701).

Almost surely, 2^{121715947384054} is an apocalyptic number.

121715947384054 is a deficient number, since it is larger than the sum of its proper divisors (60858241053554).

121715947384054 is an equidigital number, since it uses as much as digits as its factorization.

121715947384054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89120510.

The product of its (nonzero) digits is 33868800, while the sum is 61.

The spelling of 121715947384054 in words is "one hundred twenty-one trillion, seven hundred fifteen billion, nine hundred forty-seven million, three hundred eighty-four thousand, fifty-four".