1123541456 has 20 divisors (see below), whose sum is σ = 2188264704. Its totient is φ = 558828000.

The previous prime is 1123541437. The next prime is 1123541477. The reversal of 1123541456 is 6541453211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180770 + ... + 186881.

Almost surely, 2^1123541456 is an apocalyptic number.

1123541456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1123541456 is a deficient number, since it is larger than the sum of its proper divisors (1064723248).

1123541456 is a wasteful number, since it uses less digits than its factorization.

1123541456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367850 (or 367844 counting only the distinct ones).

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

The square root of 1123541456 is about 33519.2699204502. The cubic root of 1123541456 is about 1039.5922513991.

Adding to 1123541456 its reverse (6541453211), we get a palindrome (7664994667).

The spelling of 1123541456 in words is "one billion, one hundred twenty-three million, five hundred forty-one thousand, four hundred fifty-six".