1123201127 has 2 divisors, whose sum is σ = 1123201128. Its totient is φ = 1123201126.

The previous prime is 1123201097. The next prime is 1123201133. The reversal of 1123201127 is 7211023211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123201127 - 2⁶ = 1123201063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123201099 and 1123201108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123201427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561600563 + 561600564.

It is an arithmetic number, because the mean of its divisors is an integer number (561600564).

Almost surely, 2^1123201127 is an apocalyptic number.

1123201127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123201127 is an equidigital number, since it uses as much as digits as its factorization.

1123201127 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1123201127 is about 33514.1929188217. The cubic root of 1123201127 is about 1039.4872740769.

Adding to 1123201127 its reverse (7211023211), we get a palindrome (8334224338).

The spelling of 1123201127 in words is "one billion, one hundred twenty-three million, two hundred one thousand, one hundred twenty-seven".