120500428 has 12 divisors (see below), whose sum is σ = 211070440. Its totient is φ = 60194592.

The previous prime is 120500407. The next prime is 120500431. The reversal of 120500428 is 824005021.

It is a junction number, because it is equal to n+sod(n) for n = 120500399 and 120500408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8826 + ... + 17857.

Almost surely, 2^120500428 is an apocalyptic number.

It is an amenable number.

120500428 is a deficient number, since it is larger than the sum of its proper divisors (90570012).

120500428 is a wasteful number, since it uses less digits than its factorization.

120500428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27816 (or 27814 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 120500428 is about 10977.2686948986. The cubic root of 120500428 is about 493.9271092878.

Adding to 120500428 its reverse (824005021), we get a palindrome (944505449).

The spelling of 120500428 in words is "one hundred twenty million, five hundred thousand, four hundred twenty-eight".