113222129 has 2 divisors, whose sum is σ = 113222130. Its totient is φ = 113222128.

The previous prime is 113222113. The next prime is 113222141. The reversal of 113222129 is 921222311.

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., 68973025 + 44249104 = 8305^2 + 6652^2 .

It is an emirp because it is prime and its reverse (921222311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113222129 - 2⁴ = 113222113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (113222149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611064 + 56611065.

It is an arithmetic number, because the mean of its divisors is an integer number (56611065).

Almost surely, 2^113222129 is an apocalyptic number.

It is an amenable number.

113222129 is a deficient number, since it is larger than the sum of its proper divisors (1).

113222129 is an equidigital number, since it uses as much as digits as its factorization.

113222129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 113222129 is about 10640.5887525080. The cubic root of 113222129 is about 483.7753906821.

The spelling of 113222129 in words is "one hundred thirteen million, two hundred twenty-two thousand, one hundred twenty-nine".