120105140 has 24 divisors (see below), whose sum is σ = 252444192. Its totient is φ = 47999520.

The previous prime is 120105079. The next prime is 120105143. The reversal of 120105140 is 41501021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120105143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30695 + ... + 34385.

It is an arithmetic number, because the mean of its divisors is an integer number (10518508).

Almost surely, 2^120105140 is an apocalyptic number.

120105140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120105140 is an abundant number, since it is smaller than the sum of its proper divisors (132339052).

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

120105140 is a wasteful number, since it uses less digits than its factorization.

120105140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327 (or 5325 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 120105140 is about 10959.2490618655. The cubic root of 120105140 is about 493.3864270022.

Adding to 120105140 its reverse (41501021), we get a palindrome (161606161).

The spelling of 120105140 in words is "one hundred twenty million, one hundred five thousand, one hundred forty".