120173128234 has 16 divisors (see below), whose sum is σ = 189753806880. Its totient is φ = 56922084720.

The previous prime is 120173128199. The next prime is 120173128247. The reversal of 120173128234 is 432821371021.

It is a self number, because there is not a number n which added to its sum of digits gives 120173128234.

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, 1973869 + ... + 2033839.

It is an arithmetic number, because the mean of its divisors is an integer number (11859612930).

Almost surely, 2^120173128234 is an apocalyptic number.

120173128234 is a deficient number, since it is larger than the sum of its proper divisors (69580678646).

120173128234 is a wasteful number, since it uses less digits than its factorization.

120173128234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112725.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 120173128234 its reverse (432821371021), we get a palindrome (552994499255).

The spelling of 120173128234 in words is "one hundred twenty billion, one hundred seventy-three million, one hundred twenty-eight thousand, two hundred thirty-four".