1123512044 has 12 divisors (see below), whose sum is σ = 2029570368. Its totient is φ = 543634800.

The previous prime is 1123512037. The next prime is 1123512077. The reversal of 1123512044 is 4402153211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4530167 + ... + 4530414.

It is an arithmetic number, because the mean of its divisors is an integer number (169130864).

Almost surely, 2^1123512044 is an apocalyptic number.

It is an amenable number.

1123512044 is a deficient number, since it is larger than the sum of its proper divisors (906058324).

1123512044 is a wasteful number, since it uses less digits than its factorization.

1123512044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9060616 (or 9060614 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1123512044 is about 33518.8311848728. The cubic root of 1123512044 is about 1039.5831798590.

Adding to 1123512044 its reverse (4402153211), we get a palindrome (5525665255).

The spelling of 1123512044 in words is "one billion, one hundred twenty-three million, five hundred twelve thousand, forty-four".