120505870026 has 48 divisors (see below), whose sum is σ = 268004049768. Its totient is φ = 39118896000.

The previous prime is 120505870003. The next prime is 120505870027. The reversal of 120505870026 is 620078505021.

It is a happy number.

120505870026 is a `hidden beast` number, since 1 + 2 + 0 + 50 + 587 + 0 + 0 + 26 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 112829481801 + 7676388225 = 335901^2 + 87615^2 .

It is not an unprimeable number, because it can be changed into a prime (120505870027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432421 + ... + 654216.

Almost surely, 2^120505870026 is an apocalyptic number.

120505870026 is an abundant number, since it is smaller than the sum of its proper divisors (147498179742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120505870026 is a wasteful number, since it uses less digits than its factorization.

120505870026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086807 (or 1086804 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 120505870026 in words is "one hundred twenty billion, five hundred five million, eight hundred seventy thousand, twenty-six".