120705420870445 has 8 divisors (see below), whose sum is σ = 144896297604120. Its totient is φ = 96531141656640.

The previous prime is 120705420870439. The next prime is 120705420870467. The reversal of 120705420870445 is 544078024507021.

It can be written as a sum of positive squares in 4 ways, for example, as 7824613157001 + 112880807713444 = 2797251^2 + 10624538^2 .

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

It is not a de Polignac number, because 120705420870445 - 2⁵ = 120705420870413 is a prime.

It is a super-2 number, since 2×120705420870445² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4149363966 + ... + 4149393055.

It is an arithmetic number, because the mean of its divisors is an integer number (18112037200515).

Almost surely, 2^{120705420870445} is an apocalyptic number.

It is an amenable number.

120705420870445 is a deficient number, since it is larger than the sum of its proper divisors (24190876733675).

120705420870445 is an equidigital number, since it uses as much as digits as its factorization.

120705420870445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8298759935.

The product of its (nonzero) digits is 2508800, while the sum is 49.

The spelling of 120705420870445 in words is "one hundred twenty trillion, seven hundred five billion, four hundred twenty million, eight hundred seventy thousand, four hundred forty-five".