121758048708041 has 2 divisors, whose sum is σ = 121758048708042. Its totient is φ = 121758048708040.

The previous prime is 121758048708029. The next prime is 121758048708071. The reversal of 121758048708041 is 140807840857121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118337846022400 + 3420202685641 = 10878320^2 + 1849379^2 .

It is a cyclic number.

It is not a de Polignac number, because 121758048708041 - 2¹⁸ = 121758048445897 is a prime.

It is not a weakly prime, because it can be changed into another prime (121758048708001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60879024354020 + 60879024354021.

It is an arithmetic number, because the mean of its divisors is an integer number (60879024354021).

Almost surely, 2^{121758048708041} is an apocalyptic number.

It is an amenable number.

121758048708041 is a deficient number, since it is larger than the sum of its proper divisors (1).

121758048708041 is an equidigital number, since it uses as much as digits as its factorization.

121758048708041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4014080, while the sum is 56.

The spelling of 121758048708041 in words is "one hundred twenty-one trillion, seven hundred fifty-eight billion, forty-eight million, seven hundred eight thousand, forty-one".