118512240 has 320 divisors, whose sum is σ = 470541312. Its totient is φ = 24161280.

The previous prime is 118512227. The next prime is 118512281. The reversal of 118512240 is 42215811.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 118512240.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2236054 + ... + 2236106.

Almost surely, 2^118512240 is an apocalyptic number.

118512240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118512240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235270656).

118512240 is an abundant number, since it is smaller than the sum of its proper divisors (352029072).

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

118512240 is a wasteful number, since it uses less digits than its factorization.

118512240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 118512240 is about 10886.3327158415. The cubic root of 118512240 is about 491.1955258181.

The spelling of 118512240 in words is "one hundred eighteen million, five hundred twelve thousand, two hundred forty".