1123530127 has 2 divisors, whose sum is σ = 1123530128. Its totient is φ = 1123530126.

The previous prime is 1123530113. The next prime is 1123530131. The reversal of 1123530127 is 7210353211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7210353211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123530127 is a prime.

It is a super-2 number, since 2×1123530127² = 2524639892553272258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123530137) 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, 561765063 + 561765064.

It is an arithmetic number, because the mean of its divisors is an integer number (561765064).

Almost surely, 2^1123530127 is an apocalyptic number.

1123530127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123530127 is an equidigital number, since it uses as much as digits as its factorization.

1123530127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1123530127 is about 33519.1009276800. The cubic root of 1123530127 is about 1039.5887572156.

Adding to 1123530127 its reverse (7210353211), we get a palindrome (8333883338).

The spelling of 1123530127 in words is "one billion, one hundred twenty-three million, five hundred thirty thousand, one hundred twenty-seven".