118530412 has 72 divisors (see below), whose sum is σ = 283545360. Its totient is φ = 42618240.

The previous prime is 118530407. The next prime is 118530413. The reversal of 118530412 is 214035811.

It is not an unprimeable number, because it can be changed into a prime (118530413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25914 + ... + 30142.

It is an arithmetic number, because the mean of its divisors is an integer number (3938130).

Almost surely, 2^118530412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118530412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141772680).

118530412 is an abundant number, since it is smaller than the sum of its proper divisors (165014948).

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

118530412 is a wasteful number, since it uses less digits than its factorization.

118530412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271 (or 4262 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 118530412 is about 10887.1673083498. The cubic root of 118530412 is about 491.2206302543.

The spelling of 118530412 in words is "one hundred eighteen million, five hundred thirty thousand, four hundred twelve".