1126042543 has 8 divisors (see below), whose sum is σ = 1223544320. Its totient is φ = 1032364440.

The previous prime is 1126042531. The next prime is 1126042649. The reversal of 1126042543 is 3452406211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1126042543 - 2¹⁷ = 1125911471 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 (1126042343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955305 + ... + 956482.

It is an arithmetic number, because the mean of its divisors is an integer number (152943040).

Almost surely, 2^1126042543 is an apocalyptic number.

1126042543 is a deficient number, since it is larger than the sum of its proper divisors (97501777).

1126042543 is a wasteful number, since it uses less digits than its factorization.

1126042543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911837.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1126042543 is about 33556.5573770612. The cubic root of 1126042543 is about 1040.3630829773.

Adding to 1126042543 its reverse (3452406211), we get a palindrome (4578448754).

The spelling of 1126042543 in words is "one billion, one hundred twenty-six million, forty-two thousand, five hundred forty-three".