118456520 has 96 divisors (see below), whose sum is σ = 333963000. Its totient is φ = 37481472.

The previous prime is 118456519. The next prime is 118456523. The reversal of 118456520 is 25654811.

It can be written as a sum of positive squares in 4 ways, for example, as 105308644 + 13147876 = 10262^2 + 3626^2 .

It is not an unprimeable number, because it can be changed into a prime (118456523) 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, 23156 + ... + 27804.

Almost surely, 2^118456520 is an apocalyptic number.

118456520 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 118456520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166981500).

118456520 is an abundant number, since it is smaller than the sum of its proper divisors (215506480).

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

118456520 is a wasteful number, since it uses less digits than its factorization.

118456520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687 (or 4676 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 118456520 is about 10883.7732427683. The cubic root of 118456520 is about 491.1185331936.

The spelling of 118456520 in words is "one hundred eighteen million, four hundred fifty-six thousand, five hundred twenty".