1123531544 has 16 divisors (see below), whose sum is σ = 2107545720. Its totient is φ = 561519360.

The previous prime is 1123531511. The next prime is 1123531553. The reversal of 1123531544 is 4451353211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10649 + ... + 48584.

Almost surely, 2^1123531544 is an apocalyptic number.

It is an amenable number.

1123531544 is a deficient number, since it is larger than the sum of its proper divisors (984014176).

1123531544 is a wasteful number, since it uses less digits than its factorization.

1123531544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61610 (or 61606 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 1123531544 is about 33519.1220648751. The cubic root of 1123531544 is about 1039.5891942597.

Adding to 1123531544 its reverse (4451353211), we get a palindrome (5574884755).

The spelling of 1123531544 in words is "one billion, one hundred twenty-three million, five hundred thirty-one thousand, five hundred forty-four".