115263121 has 2 divisors, whose sum is σ = 115263122. Its totient is φ = 115263120.

The previous prime is 115263089. The next prime is 115263149. The reversal of 115263121 is 121362511.

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., 110250000 + 5013121 = 10500^2 + 2239^2 .

It is an emirp because it is prime and its reverse (121362511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115263121 - 2⁵ = 115263089 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 115263092 and 115263101.

It is not a weakly prime, because it can be changed into another prime (115263151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57631560 + 57631561.

It is an arithmetic number, because the mean of its divisors is an integer number (57631561).

Almost surely, 2^115263121 is an apocalyptic number.

It is an amenable number.

115263121 is a deficient number, since it is larger than the sum of its proper divisors (1).

115263121 is an equidigital number, since it uses as much as digits as its factorization.

115263121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 22.

The square root of 115263121 is about 10736.0663652941. The cubic root of 115263121 is about 486.6650125567.

The spelling of 115263121 in words is "one hundred fifteen million, two hundred sixty-three thousand, one hundred twenty-one".