120143663 has 8 divisors (see below), whose sum is σ = 122563200. Its totient is φ = 117742680.

The previous prime is 120143659. The next prime is 120143701. The reversal of 120143663 is 366341021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120143663 - 2² = 120143659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120143623) by changing a digit.

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, 8828 + ... + 17838.

It is an arithmetic number, because the mean of its divisors is an integer number (15320400).

Almost surely, 2^120143663 is an apocalyptic number.

120143663 is a deficient number, since it is larger than the sum of its proper divisors (2419537).

120143663 is an equidigital number, since it uses as much as digits as its factorization.

120143663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 120143663 is about 10961.0064775093. The cubic root of 120143663 is about 493.4391716047.

Adding to 120143663 its reverse (366341021), we get a palindrome (486484684).

The spelling of 120143663 in words is "one hundred twenty million, one hundred forty-three thousand, six hundred sixty-three".