120304144 has 10 divisors (see below), whose sum is σ = 233089310. Its totient is φ = 60152064.

The previous prime is 120304141. The next prime is 120304169. The reversal of 120304144 is 441403021.

It can be written as a sum of positive squares in only one way, i.e., 62726400 + 57577744 = 7920^2 + 7588^2 .

It is not an unprimeable number, because it can be changed into a prime (120304141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3759489 + ... + 3759520.

It is an arithmetic number, because the mean of its divisors is an integer number (23308931).

Almost surely, 2^120304144 is an apocalyptic number.

It is an amenable number.

120304144 is a deficient number, since it is larger than the sum of its proper divisors (112785166).

120304144 is an equidigital number, since it uses as much as digits as its factorization.

120304144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7519017 (or 7519011 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 120304144 is about 10968.3245757955. The cubic root of 120304144 is about 493.6587764172.

Adding to 120304144 its reverse (441403021), we get a palindrome (561707165).

The spelling of 120304144 in words is "one hundred twenty million, three hundred four thousand, one hundred forty-four".