116121769 has 2 divisors, whose sum is σ = 116121770. Its totient is φ = 116121768.

The previous prime is 116121767. The next prime is 116121793. The reversal of 116121769 is 967121611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112466025 + 3655744 = 10605^2 + 1912^2 .

It is an emirp because it is prime and its reverse (967121611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116121769 - 2¹ = 116121767 is a prime.

It is a super-2 number, since 2×116121769² = 26968530471378722, which contains 22 as substring.

Together with 116121767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (116121767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58060884 + 58060885.

It is an arithmetic number, because the mean of its divisors is an integer number (58060885).

Almost surely, 2^116121769 is an apocalyptic number.

It is an amenable number.

116121769 is a deficient number, since it is larger than the sum of its proper divisors (1).

116121769 is an equidigital number, since it uses as much as digits as its factorization.

116121769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 34.

The square root of 116121769 is about 10775.9811154252. The cubic root of 116121769 is about 487.8704879484.

The spelling of 116121769 in words is "one hundred sixteen million, one hundred twenty-one thousand, seven hundred sixty-nine".