120726575705 has 4 divisors (see below), whose sum is σ = 144871890852. Its totient is φ = 96581260560.

The previous prime is 120726575693. The next prime is 120726575713. The reversal of 120726575705 is 507575627021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 507575627021 = 1847 ⋅274810843.

It can be written as a sum of positive squares in 2 ways, for example, as 47055587929 + 73670987776 = 216923^2 + 271424^2 .

It is not a de Polignac number, because 120726575705 - 2²⁶ = 120659466841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120726575705.

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, 12072657566 + ... + 12072657575.

It is an arithmetic number, because the mean of its divisors is an integer number (36217972713).

Almost surely, 2^120726575705 is an apocalyptic number.

It is an amenable number.

120726575705 is a deficient number, since it is larger than the sum of its proper divisors (24145315147).

120726575705 is an equidigital number, since it uses as much as digits as its factorization.

120726575705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24145315146.

The product of its (nonzero) digits is 1029000, while the sum is 47.

The spelling of 120726575705 in words is "one hundred twenty billion, seven hundred twenty-six million, five hundred seventy-five thousand, seven hundred five".