1123124543 has 8 divisors (see below), whose sum is σ = 1137628800. Its totient is φ = 1108643608.

The previous prime is 1123124507. The next prime is 1123124573. The reversal of 1123124543 is 3454213211.

It is a happy number.

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 1123124543 - 2⁶ = 1123124479 is a prime.

It is a super-2 number, since 2×1123124543² = 2522817478177917698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123124573) 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, 104348 + ... + 114606.

It is an arithmetic number, because the mean of its divisors is an integer number (142203600).

Almost surely, 2^1123124543 is an apocalyptic number.

1123124543 is a deficient number, since it is larger than the sum of its proper divisors (14504257).

1123124543 is a wasteful number, since it uses less digits than its factorization.

1123124543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11661.

The product of its digits is 2880, while the sum is 26.

The square root of 1123124543 is about 33513.0503386367. The cubic root of 1123124543 is about 1039.4636481798.

Adding to 1123124543 its reverse (3454213211), we get a palindrome (4577337754).

The spelling of 1123124543 in words is "one billion, one hundred twenty-three million, one hundred twenty-four thousand, five hundred forty-three".