116881321 has 2 divisors, whose sum is σ = 116881322. Its totient is φ = 116881320.

The previous prime is 116881313. The next prime is 116881327. The reversal of 116881321 is 123188611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116877721 + 3600 = 10811^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 116881321 - 2³ = 116881313 is a prime.

It is a super-2 number, since 2×116881321² = 27322486397410082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116881327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58440660 + 58440661.

It is an arithmetic number, because the mean of its divisors is an integer number (58440661).

Almost surely, 2^116881321 is an apocalyptic number.

It is an amenable number.

116881321 is a deficient number, since it is larger than the sum of its proper divisors (1).

116881321 is an equidigital number, since it uses as much as digits as its factorization.

116881321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 31.

The square root of 116881321 is about 10811.1664958042. The cubic root of 116881321 is about 488.9318966775.

The spelling of 116881321 in words is "one hundred sixteen million, eight hundred eighty-one thousand, three hundred twenty-one".