1123122127 has 2 divisors, whose sum is σ = 1123122128. Its totient is φ = 1123122126.

The previous prime is 1123122109. The next prime is 1123122229. The reversal of 1123122127 is 7212213211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123122127 - 2⁷ = 1123121999 is a prime.

It is a super-2 number, since 2×1123122127² = 2522806624314008258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123122098 and 1123122107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123120127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561561063 + 561561064.

It is an arithmetic number, because the mean of its divisors is an integer number (561561064).

Almost surely, 2^1123122127 is an apocalyptic number.

1123122127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123122127 is an equidigital number, since it uses as much as digits as its factorization.

1123122127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 22.

The square root of 1123122127 is about 33513.0142929579. The cubic root of 1123122127 is about 1039.4629028347.

Adding to 1123122127 its reverse (7212213211), we get a palindrome (8335335338).

The spelling of 1123122127 in words is "one billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred twenty-seven".