1123120127 has 2 divisors, whose sum is σ = 1123120128. Its totient is φ = 1123120126.

The previous prime is 1123120123. The next prime is 1123120133. The reversal of 1123120127 is 7210213211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123120127 - 2² = 1123120123 is a prime.

It is a super-2 number, since 2×1123120127² = 2522797639344992258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123120099 and 1123120108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123120121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561560063 + 561560064.

It is an arithmetic number, because the mean of its divisors is an integer number (561560064).

Almost surely, 2^1123120127 is an apocalyptic number.

1123120127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123120127 is an equidigital number, since it uses as much as digits as its factorization.

1123120127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1123120127 is about 33512.9844537904. The cubic root of 1123120127 is about 1039.4622858264.

Adding to 1123120127 its reverse (7210213211), we get a palindrome (8333333338).

The spelling of 1123120127 in words is "one billion, one hundred twenty-three million, one hundred twenty thousand, one hundred twenty-seven".