118240920 has 144 divisors (see below), whose sum is σ = 447089760. Its totient is φ = 27022464.

The previous prime is 118240901. The next prime is 118240931. The reversal of 118240920 is 29042811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14289 + ... + 20991.

It is an arithmetic number, because the mean of its divisors is an integer number (3104790).

Almost surely, 2^118240920 is an apocalyptic number.

118240920 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 118240920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223544880).

118240920 is an abundant number, since it is smaller than the sum of its proper divisors (328848840).

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

118240920 is a wasteful number, since it uses less digits than its factorization.

118240920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6734 (or 6720 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 118240920 is about 10873.8640786061. The cubic root of 118240920 is about 490.8203943757.

The spelling of 118240920 in words is "one hundred eighteen million, two hundred forty thousand, nine hundred twenty".