121758048706875 has 120 divisors (see below), whose sum is σ = 236458990152000. Its totient is φ = 55549256616000.

The previous prime is 121758048706871. The next prime is 121758048706897. The reversal of 121758048706875 is 578607840857121.

It is not a de Polignac number, because 121758048706875 - 2² = 121758048706871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121758048706871) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 44517712 + ... + 47173538.

It is an arithmetic number, because the mean of its divisors is an integer number (1970491584600).

Almost surely, 2^{121758048706875} is an apocalyptic number.

121758048706875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121758048706875 is a deficient number, since it is larger than the sum of its proper divisors (114700941445125).

121758048706875 is an equidigital number, since it uses as much as digits as its factorization.

121758048706875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656363 (or 2656341 counting only the distinct ones).

The product of its (nonzero) digits is 210739200, while the sum is 69.

The spelling of 121758048706875 in words is "one hundred twenty-one trillion, seven hundred fifty-eight billion, forty-eight million, seven hundred six thousand, eight hundred seventy-five".