1123540144 has 40 divisors (see below), whose sum is σ = 2193265872. Its totient is φ = 557556480.

The previous prime is 1123540109. The next prime is 1123540169. The reversal of 1123540144 is 4410453211.

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 7 ways as a sum of consecutive naturals, for example, 2076514 + ... + 2077054.

Almost surely, 2^1123540144 is an apocalyptic number.

It is an amenable number.

1123540144 is a deficient number, since it is larger than the sum of its proper divisors (1069725728).

1123540144 is a wasteful number, since it uses less digits than its factorization.

1123540144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1123540144 is about 33519.2503496125. The cubic root of 1123540144 is about 1039.5918467425.

Adding to 1123540144 its reverse (4410453211), we get a palindrome (5533993355).

The spelling of 1123540144 in words is "one billion, one hundred twenty-three million, five hundred forty thousand, one hundred forty-four".