1123321113127 has 2 divisors, whose sum is σ = 1123321113128. Its totient is φ = 1123321113126.

The previous prime is 1123321113107. The next prime is 1123321113221. The reversal of 1123321113127 is 7213111233211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123321113127 - 2¹⁵ = 1123321080359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123321113095 and 1123321113104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123321113107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561660556563 + 561660556564.

It is an arithmetic number, because the mean of its divisors is an integer number (561660556564).

Almost surely, 2^{1123321113127} is an apocalyptic number.

1123321113127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123321113127 is an equidigital number, since it uses as much as digits as its factorization.

1123321113127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 28.

Adding to 1123321113127 its reverse (7213111233211), we get a palindrome (8336432346338).

The spelling of 1123321113127 in words is "one trillion, one hundred twenty-three billion, three hundred twenty-one million, one hundred thirteen thousand, one hundred twenty-seven".