1125713563 has 12 divisors (see below), whose sum is σ = 1232680680. Its totient is φ = 1027430976.

The previous prime is 1125713557. The next prime is 1125713593. The reversal of 1125713563 is 3653175211.

It is a de Polignac number, because none of the positive numbers 2^k-1125713563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125713543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22381 + ... + 52462.

It is an arithmetic number, because the mean of its divisors is an integer number (102723390).

Almost surely, 2^1125713563 is an apocalyptic number.

1125713563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1125713563 is a deficient number, since it is larger than the sum of its proper divisors (106967117).

1125713563 is an equidigital number, since it uses as much as digits as its factorization.

1125713563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74958 (or 74945 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 1125713563 is about 33551.6551454619. The cubic root of 1125713563 is about 1040.2617570297.

Adding to 1125713563 its reverse (3653175211), we get a palindrome (4778888774).

The spelling of 1125713563 in words is "one billion, one hundred twenty-five million, seven hundred thirteen thousand, five hundred sixty-three".