120318863 has 6 divisors (see below), whose sum is σ = 139962816. Its totient is φ = 103130412.

The previous prime is 120318839. The next prime is 120318871. The reversal of 120318863 is 368813021.

It is a happy number.

It is not a de Polignac number, because 120318863 - 2¹⁸ = 120056719 is a prime.

It is a super-2 number, since 2×120318863² = 28953257587225538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120318823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1227695 + ... + 1227792.

It is an arithmetic number, because the mean of its divisors is an integer number (23327136).

Almost surely, 2^120318863 is an apocalyptic number.

120318863 is a deficient number, since it is larger than the sum of its proper divisors (19643953).

120318863 is an equidigital number, since it uses as much as digits as its factorization.

120318863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455501 (or 2455494 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 120318863 is about 10968.9955328644. The cubic root of 120318863 is about 493.6789083566.

The spelling of 120318863 in words is "one hundred twenty million, three hundred eighteen thousand, eight hundred sixty-three".