1125614543 has 4 divisors (see below), whose sum is σ = 1139176248. Its totient is φ = 1112052840.

The previous prime is 1125614527. The next prime is 1125614561. The reversal of 1125614543 is 3454165211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1125614543 - 2⁴ = 1125614527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125614563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6780728 + ... + 6780893.

It is an arithmetic number, because the mean of its divisors is an integer number (284794062).

Almost surely, 2^1125614543 is an apocalyptic number.

1125614543 is a deficient number, since it is larger than the sum of its proper divisors (13561705).

1125614543 is an equidigital number, since it uses as much as digits as its factorization.

1125614543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13561704.

The product of its digits is 14400, while the sum is 32.

The square root of 1125614543 is about 33550.1794779104. The cubic root of 1125614543 is about 1040.2312549721.

Adding to 1125614543 its reverse (3454165211), we get a palindrome (4579779754).

The spelling of 1125614543 in words is "one billion, one hundred twenty-five million, six hundred fourteen thousand, five hundred forty-three".