1125537263 has 2 divisors, whose sum is σ = 1125537264. Its totient is φ = 1125537262.

The previous prime is 1125537229. The next prime is 1125537293. The reversal of 1125537263 is 3627355211.

It is a strong prime.

It is an emirp because it is prime and its reverse (3627355211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1125537263 - 2¹⁶ = 1125471727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125537293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562768631 + 562768632.

It is an arithmetic number, because the mean of its divisors is an integer number (562768632).

Almost surely, 2^1125537263 is an apocalyptic number.

1125537263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125537263 is an equidigital number, since it uses as much as digits as its factorization.

1125537263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 1125537263 is about 33549.0277504431. The cubic root of 1125537263 is about 1040.2074484475.

The spelling of 1125537263 in words is "one billion, one hundred twenty-five million, five hundred thirty-seven thousand, two hundred sixty-three".