118281882 has 16 divisors (see below), whose sum is σ = 239896512. Its totient is φ = 38871840.

The previous prime is 118281803. The next prime is 118281887. The reversal of 118281882 is 288182811.

It is a self number, because there is not a number n which added to its sum of digits gives 118281882.

It is not an unprimeable number, because it can be changed into a prime (118281887) 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, 138403 + ... + 139254.

It is an arithmetic number, because the mean of its divisors is an integer number (14993532).

Almost surely, 2^118281882 is an apocalyptic number.

118281882 is an abundant number, since it is smaller than the sum of its proper divisors (121614630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118281882 is a wasteful number, since it uses less digits than its factorization.

118281882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277733.

The product of its digits is 16384, while the sum is 39.

The square root of 118281882 is about 10875.7474225912. The cubic root of 118281882 is about 490.8770658557.

The spelling of 118281882 in words is "one hundred eighteen million, two hundred eighty-one thousand, eight hundred eighty-two".