116506121 has 2 divisors, whose sum is σ = 116506122. Its totient is φ = 116506120.

The previous prime is 116506097. The next prime is 116506141. The reversal of 116506121 is 121605611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74580496 + 41925625 = 8636^2 + 6475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116506121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116506141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58253060 + 58253061.

It is an arithmetic number, because the mean of its divisors is an integer number (58253061).

Almost surely, 2^116506121 is an apocalyptic number.

It is an amenable number.

116506121 is a deficient number, since it is larger than the sum of its proper divisors (1).

116506121 is an equidigital number, since it uses as much as digits as its factorization.

116506121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 116506121 is about 10793.8001185866. The cubic root of 116506121 is about 488.4081634549.

It can be divided in two parts, 11650 and 6121, that added together give a palindrome (17771).

The spelling of 116506121 in words is "one hundred sixteen million, five hundred six thousand, one hundred twenty-one".