120304140 has 48 divisors (see below), whose sum is σ = 367476480. Its totient is φ = 29164480.

The previous prime is 120304133. The next prime is 120304141. The reversal of 120304140 is 41403021.

It is a super-2 number, since 2×120304140² = 28946172202279200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (120304141) 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 15 ways as a sum of consecutive naturals, for example, 90480 + ... + 91799.

It is an arithmetic number, because the mean of its divisors is an integer number (7655760).

Almost surely, 2^120304140 is an apocalyptic number.

120304140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120304140 is an abundant number, since it is smaller than the sum of its proper divisors (247172340).

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

120304140 is a wasteful number, since it uses less digits than its factorization.

120304140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182302 (or 182300 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 120304140 is about 10968.3243934523. The cubic root of 120304140 is about 493.6587709460.

Adding to 120304140 its reverse (41403021), we get a palindrome (161707161).

The spelling of 120304140 in words is "one hundred twenty million, three hundred four thousand, one hundred forty".