116505121 has 2 divisors, whose sum is σ = 116505122. Its totient is φ = 116505120.

The previous prime is 116505089. The next prime is 116505133. The reversal of 116505121 is 121505611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116100625 + 404496 = 10775^2 + 636^2 .

It is a cyclic number.

It is not a de Polignac number, because 116505121 - 2⁵ = 116505089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116505092 and 116505101.

It is not a weakly prime, because it can be changed into another prime (116505421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58252560 + 58252561.

It is an arithmetic number, because the mean of its divisors is an integer number (58252561).

Almost surely, 2^116505121 is an apocalyptic number.

It is an amenable number.

116505121 is a deficient number, since it is larger than the sum of its proper divisors (1).

116505121 is an equidigital number, since it uses as much as digits as its factorization.

116505121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 116505121 is about 10793.7537955986. The cubic root of 116505121 is about 488.4067660761.

The spelling of 116505121 in words is "one hundred sixteen million, five hundred five thousand, one hundred twenty-one".