116128820 has 12 divisors (see below), whose sum is σ = 243870564. Its totient is φ = 46451520.

The previous prime is 116128813. The next prime is 116128843. The reversal of 116128820 is 28821611.

It can be written as a sum of positive squares in 2 ways, for example, as 86229796 + 29899024 = 9286^2 + 5468^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2903201 + ... + 2903240.

It is an arithmetic number, because the mean of its divisors is an integer number (20322547).

Almost surely, 2^116128820 is an apocalyptic number.

116128820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116128820 is an abundant number, since it is smaller than the sum of its proper divisors (127741744).

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

116128820 is a wasteful number, since it uses less digits than its factorization.

116128820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806450 (or 5806448 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 116128820 is about 10776.3082732446. The cubic root of 116128820 is about 487.8803623679.

The spelling of 116128820 in words is "one hundred sixteen million, one hundred twenty-eight thousand, eight hundred twenty".