120124207128 has 32 divisors (see below), whose sum is σ = 300320138160. Its totient is φ = 40040119680.

The previous prime is 120124207033. The next prime is 120124207157. The reversal of 120124207128 is 821702421021.

It is a junction number, because it is equal to n+sod(n) for n = 120124207095 and 120124207104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960126 + ... + 1078002.

Almost surely, 2^120124207128 is an apocalyptic number.

It is an amenable number.

120124207128 is an abundant number, since it is smaller than the sum of its proper divisors (180195931032).

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

120124207128 is a wasteful number, since it uses less digits than its factorization.

120124207128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160347 (or 160343 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

Adding to 120124207128 its reverse (821702421021), we get a palindrome (941826628149).

The spelling of 120124207128 in words is "one hundred twenty billion, one hundred twenty-four million, two hundred seven thousand, one hundred twenty-eight".