1124531043 has 4 divisors (see below), whose sum is σ = 1499374728. Its totient is φ = 749687360.

The previous prime is 1124531029. The next prime is 1124531077. The reversal of 1124531043 is 3401354211.

It is a happy number.

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 1124531043 - 2⁸ = 1124530787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1124531543) 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, 187421838 + ... + 187421843.

It is an arithmetic number, because the mean of its divisors is an integer number (374843682).

Almost surely, 2^1124531043 is an apocalyptic number.

1124531043 is a deficient number, since it is larger than the sum of its proper divisors (374843685).

1124531043 is an equidigital number, since it uses as much as digits as its factorization.

1124531043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374843684.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1124531043 is about 33534.0281356117. The cubic root of 1124531043 is about 1039.8973773863.

Adding to 1124531043 its reverse (3401354211), we get a palindrome (4525885254).

The spelling of 1124531043 in words is "one billion, one hundred twenty-four million, five hundred thirty-one thousand, forty-three".