1125713543 has 2 divisors, whose sum is σ = 1125713544. Its totient is φ = 1125713542.

The previous prime is 1125713489. The next prime is 1125713551. The reversal of 1125713543 is 3453175211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1125713543 - 2⁸ = 1125713287 is a prime.

It is a super-2 number, since 2×1125713543² = 2534461961787225698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125713593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562856771 + 562856772.

It is an arithmetic number, because the mean of its divisors is an integer number (562856772).

Almost surely, 2^1125713543 is an apocalyptic number.

1125713543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125713543 is an equidigital number, since it uses as much as digits as its factorization.

1125713543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The square root of 1125713543 is about 33551.6548474140. The cubic root of 1125713543 is about 1040.2617508690.

Adding to 1125713543 its reverse (3453175211), we get a palindrome (4578888754).

The spelling of 1125713543 in words is "one billion, one hundred twenty-five million, seven hundred thirteen thousand, five hundred forty-three".