120320500 has 24 divisors (see below), whose sum is σ = 262781064. Its totient is φ = 48128000.

The previous prime is 120320443. The next prime is 120320513. The reversal of 120320500 is 5023021.

120320500 = 369² + 370² + ... + 743².

It can be written as a sum of positive squares in 4 ways, for example, as 26501904 + 93818596 = 5148^2 + 9686^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119821 + ... + 120820.

It is an arithmetic number, because the mean of its divisors is an integer number (10949211).

Almost surely, 2^120320500 is an apocalyptic number.

120320500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120320500 is an abundant number, since it is smaller than the sum of its proper divisors (142460564).

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

120320500 is a wasteful number, since it uses less digits than its factorization.

120320500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240660 (or 240648 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 120320500 is about 10969.0701520229. The cubic root of 120320500 is about 493.6811472649.

Adding to 120320500 its reverse (5023021), we get a palindrome (125343521).

The spelling of 120320500 in words is "one hundred twenty million, three hundred twenty thousand, five hundred".