118720040 has 16 divisors (see below), whose sum is σ = 267120180. Its totient is φ = 47488000.

The previous prime is 118720009. The next prime is 118720079. The reversal of 118720040 is 40027811.

It can be written as a sum of positive squares in 2 ways, for example, as 118679236 + 40804 = 10894^2 + 202^2 .

It is a junction number, because it is equal to n+sod(n) for n = 118719988 and 118720015.

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 3 ways as a sum of consecutive naturals, for example, 1483961 + ... + 1484040.

Almost surely, 2^118720040 is an apocalyptic number.

118720040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118720040 is an abundant number, since it is smaller than the sum of its proper divisors (148400140).

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

118720040 is a wasteful number, since it uses less digits than its factorization.

118720040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968012 (or 2968008 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 118720040 is about 10895.8726130586. The cubic root of 118720040 is about 491.4824464809.

Adding to 118720040 its reverse (40027811), we get a palindrome (158747851).

The spelling of 118720040 in words is "one hundred eighteen million, seven hundred twenty thousand, forty".