120705420870425 has 48 divisors (see below), whose sum is σ = 157575813395328. Its totient is φ = 91541895244800.

The previous prime is 120705420870421. The next prime is 120705420870439. The reversal of 120705420870425 is 524078024507021.

It is not a de Polignac number, because 120705420870425 - 2² = 120705420870421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120705420870425.

It is not an unprimeable number, because it can be changed into a prime (120705420870421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1022062679 + ... + 1022180771.

It is an arithmetic number, because the mean of its divisors is an integer number (3282829445736).

Almost surely, 2^{120705420870425} is an apocalyptic number.

It is an amenable number.

120705420870425 is a deficient number, since it is larger than the sum of its proper divisors (36870392524903).

120705420870425 is a wasteful number, since it uses less digits than its factorization.

120705420870425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133970 (or 133965 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 47.

The spelling of 120705420870425 in words is "one hundred twenty trillion, seven hundred five billion, four hundred twenty million, eight hundred seventy thousand, four hundred twenty-five".