118287963 has 12 divisors (see below), whose sum is σ = 171748200. Its totient is φ = 78448896.

The previous prime is 118287947. The next prime is 118287991. The reversal of 118287963 is 369782811.

It is not a de Polignac number, because 118287963 - 2⁴ = 118287947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118287913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32313 + ... + 35786.

It is an arithmetic number, because the mean of its divisors is an integer number (14312350).

Almost surely, 2^118287963 is an apocalyptic number.

118287963 is a deficient number, since it is larger than the sum of its proper divisors (53460237).

118287963 is a wasteful number, since it uses less digits than its factorization.

118287963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68298 (or 68295 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 118287963 is about 10876.0269859908. The cubic root of 118287963 is about 490.8854778859.

It can be divided in two parts, 11828 and 7963, that added together give a palindrome (19791).

The spelling of 118287963 in words is "one hundred eighteen million, two hundred eighty-seven thousand, nine hundred sixty-three".