120500140 has 24 divisors (see below), whose sum is σ = 255048192. Its totient is φ = 47819520.

The previous prime is 120500123. The next prime is 120500153. The reversal of 120500140 is 41005021.

It is a self number, because there is not a number n which added to its sum of digits gives 120500140.

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, 21181 + ... + 26260.

It is an arithmetic number, because the mean of its divisors is an integer number (10627008).

Almost surely, 2^120500140 is an apocalyptic number.

120500140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120500140 is an abundant number, since it is smaller than the sum of its proper divisors (134548052).

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

120500140 is a wasteful number, since it uses less digits than its factorization.

120500140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47577 (or 47575 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 120500140 is about 10977.2555768735. The cubic root of 120500140 is about 493.9267157867.

Adding to 120500140 its reverse (41005021), we get a palindrome (161505161).

The spelling of 120500140 in words is "one hundred twenty million, five hundred thousand, one hundred forty".