1116600120 has 256 divisors, whose sum is σ = 4009564800. Its totient is φ = 275374080.

The previous prime is 1116600119. The next prime is 1116600127. The reversal of 1116600120 is 210066111.

1116600120 is a `hidden beast` number, since 1 + 1 + 1 + 660 + 0 + 1 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1116600093 and 1116600102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116600127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1119462 + ... + 1120458.

Almost surely, 2^1116600120 is an apocalyptic number.

1116600120 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 1116600120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2004782400).

1116600120 is an abundant number, since it is smaller than the sum of its proper divisors (2892964680).

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

1116600120 is a wasteful number, since it uses less digits than its factorization.

1116600120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1116600120 is about 33415.5670309513. The cubic root of 1116600120 is about 1037.4469304640.

Adding to 1116600120 its reverse (210066111), we get a palindrome (1326666231).

The spelling of 1116600120 in words is "one billion, one hundred sixteen million, six hundred thousand, one hundred twenty".