120303663 has 8 divisors (see below), whose sum is σ = 161467776. Its totient is φ = 79671000.

The previous prime is 120303569. The next prime is 120303683. The reversal of 120303663 is 366303021.

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

It is not a de Polignac number, because 120303663 - 2¹³ = 120295471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120303683) 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, 132333 + ... + 133238.

It is an arithmetic number, because the mean of its divisors is an integer number (20183472).

Almost surely, 2^120303663 is an apocalyptic number.

120303663 is a deficient number, since it is larger than the sum of its proper divisors (41164113).

120303663 is a wasteful number, since it uses less digits than its factorization.

120303663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265725.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 120303663 is about 10968.3026489972. The cubic root of 120303663 is about 493.6581185008.

Adding to 120303663 its reverse (366303021), we get a palindrome (486606684).

The spelling of 120303663 in words is "one hundred twenty million, three hundred three thousand, six hundred sixty-three".