116936721 has 24 divisors (see below), whose sum is σ = 184991040. Its totient is φ = 70591200.

The previous prime is 116936719. The next prime is 116936723. The reversal of 116936721 is 127639611.

It is an interprime number because it is at equal distance from previous prime (116936719) and next prime (116936723).

It is not a de Polignac number, because 116936721 - 2¹ = 116936719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116936723) 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, 24436 + ... + 28826.

It is an arithmetic number, because the mean of its divisors is an integer number (7707960).

Almost surely, 2^116936721 is an apocalyptic number.

116936721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116936721 is a deficient number, since it is larger than the sum of its proper divisors (68054319).

116936721 is a wasteful number, since it uses less digits than its factorization.

116936721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677 (or 4674 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 116936721 is about 10813.7283579716. The cubic root of 116936721 is about 489.0091332807.

The spelling of 116936721 in words is "one hundred sixteen million, nine hundred thirty-six thousand, seven hundred twenty-one".