115756229 has 2 divisors, whose sum is σ = 115756230. Its totient is φ = 115756228.

The previous prime is 115756127. The next prime is 115756231. The reversal of 115756229 is 922657511.

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., 109516225 + 6240004 = 10465^2 + 2498^2 .

It is a cyclic number.

It is not a de Polignac number, because 115756229 - 2⁸ = 115755973 is a prime.

Together with 115756231, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 115756192 and 115756201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115756279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57878114 + 57878115.

It is an arithmetic number, because the mean of its divisors is an integer number (57878115).

Almost surely, 2^115756229 is an apocalyptic number.

It is an amenable number.

115756229 is a deficient number, since it is larger than the sum of its proper divisors (1).

115756229 is an equidigital number, since it uses as much as digits as its factorization.

115756229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 38.

The square root of 115756229 is about 10759.0068779604. The cubic root of 115756229 is about 487.3580269461.

The spelling of 115756229 in words is "one hundred fifteen million, seven hundred fifty-six thousand, two hundred twenty-nine".