120144663 has 12 divisors (see below), whose sum is σ = 181087920. Its totient is φ = 76613856.

The previous prime is 120144631. The next prime is 120144677. The reversal of 120144663 is 366441021.

It is not a de Polignac number, because 120144663 - 2⁵ = 120144631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120144863) 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 11 ways as a sum of consecutive naturals, for example, 289998 + ... + 290411.

It is an arithmetic number, because the mean of its divisors is an integer number (15090660).

Almost surely, 2^120144663 is an apocalyptic number.

120144663 is a deficient number, since it is larger than the sum of its proper divisors (60943257).

120144663 is a wasteful number, since it uses less digits than its factorization.

120144663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580438 (or 580435 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 120144663 is about 10961.0520936633. The cubic root of 120144663 is about 493.4405406263.

Adding to 120144663 its reverse (366441021), we get a palindrome (486585684).

The spelling of 120144663 in words is "one hundred twenty million, one hundred forty-four thousand, six hundred sixty-three".