1122323129 has 2 divisors, whose sum is σ = 1122323130. Its totient is φ = 1122323128.

The previous prime is 1122323117. The next prime is 1122323131. The reversal of 1122323129 is 9213232211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733326400 + 388996729 = 27080^2 + 19723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122323129 - 2¹⁶ = 1122257593 is a prime.

It is a Sophie Germain prime.

Together with 1122323131, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1122323098 and 1122323107.

It is not a weakly prime, because it can be changed into another prime (1122323149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561161564 + 561161565.

It is an arithmetic number, because the mean of its divisors is an integer number (561161565).

Almost surely, 2^1122323129 is an apocalyptic number.

It is an amenable number.

1122323129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122323129 is an equidigital number, since it uses as much as digits as its factorization.

1122323129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 1122323129 is about 33501.0914598316. The cubic root of 1122323129 is about 1039.2163503045.

The spelling of 1122323129 in words is "one billion, one hundred twenty-two million, three hundred twenty-three thousand, one hundred twenty-nine".