115122229 has 2 divisors, whose sum is σ = 115122230. Its totient is φ = 115122228.

The previous prime is 115122221. The next prime is 115122299. The reversal of 115122229 is 922221511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72846225 + 42276004 = 8535^2 + 6502^2 .

It is a cyclic number.

It is not a de Polignac number, because 115122229 - 2³ = 115122221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115122221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57561114 + 57561115.

It is an arithmetic number, because the mean of its divisors is an integer number (57561115).

Almost surely, 2^115122229 is an apocalyptic number.

It is an amenable number.

115122229 is a deficient number, since it is larger than the sum of its proper divisors (1).

115122229 is an equidigital number, since it uses as much as digits as its factorization.

115122229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 115122229 is about 10729.5027377787. The cubic root of 115122229 is about 486.4666398737.

The spelling of 115122229 in words is "one hundred fifteen million, one hundred twenty-two thousand, two hundred twenty-nine".