120811123170 has 24 divisors (see below), whose sum is σ = 314108920476. Its totient is φ = 32216299488.

The previous prime is 120811123159. The next prime is 120811123187. The reversal of 120811123170 is 71321118021.

It can be written as a sum of positive squares in 2 ways, for example, as 110930961969 + 9880161201 = 333063^2 + 99399^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671172817 + ... + 671172996.

Almost surely, 2^120811123170 is an apocalyptic number.

120811123170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120811123170 is an abundant number, since it is smaller than the sum of its proper divisors (193297797306).

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

120811123170 is a wasteful number, since it uses less digits than its factorization.

120811123170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342345826 (or 1342345823 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The spelling of 120811123170 in words is "one hundred twenty billion, eight hundred eleven million, one hundred twenty-three thousand, one hundred seventy".