120656670752105 has 4 divisors (see below), whose sum is σ = 144788004902532. Its totient is φ = 96525336601680.

The previous prime is 120656670752071. The next prime is 120656670752129. The reversal of 120656670752105 is 501257076656021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35219702675161 + 85436968076944 = 5934619^2 + 9243212^2 .

It is not a de Polignac number, because 120656670752105 - 2³⁰ = 120655597010281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12065667075206 + ... + 12065667075215.

It is an arithmetic number, because the mean of its divisors is an integer number (36197001225633).

Almost surely, 2^{120656670752105} is an apocalyptic number.

It is an amenable number.

120656670752105 is a deficient number, since it is larger than the sum of its proper divisors (24131334150427).

120656670752105 is an equidigital number, since it uses as much as digits as its factorization.

120656670752105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24131334150426.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 120656670752105 in words is "one hundred twenty trillion, six hundred fifty-six billion, six hundred seventy million, seven hundred fifty-two thousand, one hundred five".