120304263 has 8 divisors (see below), whose sum is σ = 161125888. Its totient is φ = 79842744.

The previous prime is 120304259. The next prime is 120304313. The reversal of 120304263 is 362403021.

It is a happy number.

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

It is not a de Polignac number, because 120304263 - 2² = 120304259 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 (120304253) 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, 89245 + ... + 90582.

It is an arithmetic number, because the mean of its divisors is an integer number (20140736).

Almost surely, 2^120304263 is an apocalyptic number.

120304263 is a deficient number, since it is larger than the sum of its proper divisors (40821625).

120304263 is a wasteful number, since it uses less digits than its factorization.

120304263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180053.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 120304263 is about 10968.3300005060. The cubic root of 120304263 is about 493.6589391862.

Adding to 120304263 its reverse (362403021), we get a palindrome (482707284).

The spelling of 120304263 in words is "one hundred twenty million, three hundred four thousand, two hundred sixty-three".