120530500 has 24 divisors (see below), whose sum is σ = 263239704. Its totient is φ = 48212000.

The previous prime is 120530489. The next prime is 120530503. The reversal of 120530500 is 5035021.

It can be written as a sum of positive squares in 4 ways, for example, as 1633284 + 118897216 = 1278^2 + 10904^2 .

It is not an unprimeable number, because it can be changed into a prime (120530503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120031 + ... + 121030.

It is an arithmetic number, because the mean of its divisors is an integer number (10968321).

Almost surely, 2^120530500 is an apocalyptic number.

120530500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120530500 is an abundant number, since it is smaller than the sum of its proper divisors (142709204).

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

120530500 is a wasteful number, since it uses less digits than its factorization.

120530500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241080 (or 241068 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 120530500 is about 10978.6383490850. The cubic root of 120530500 is about 493.9681939014.

Adding to 120530500 its reverse (5035021), we get a palindrome (125565521).

The spelling of 120530500 in words is "one hundred twenty million, five hundred thirty thousand, five hundred".