116128812 has 48 divisors (see below), whose sum is σ = 275788800. Its totient is φ = 38027712.

The previous prime is 116128787. The next prime is 116128813. The reversal of 116128812 is 218821611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 116128812.

It is not an unprimeable number, because it can be changed into a prime (116128813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191013 + ... + 191619.

It is an arithmetic number, because the mean of its divisors is an integer number (5745600).

Almost surely, 2^116128812 is an apocalyptic number.

116128812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

116128812 is an abundant number, since it is smaller than the sum of its proper divisors (159659988).

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

116128812 is a wasteful number, since it uses less digits than its factorization.

116128812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 868 counting only the distinct ones).

The product of its digits is 1536, while the sum is 30.

The square root of 116128812 is about 10776.3079020600. The cubic root of 116128812 is about 487.8803511647.

The spelling of 116128812 in words is "one hundred sixteen million, one hundred twenty-eight thousand, eight hundred twelve".