1123602556 has 48 divisors (see below), whose sum is σ = 2142201600. Its totient is φ = 513596160.

The previous prime is 1123602547. The next prime is 1123602583. The reversal of 1123602556 is 6552063211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580911 + ... + 582841.

It is an arithmetic number, because the mean of its divisors is an integer number (44629200).

Almost surely, 2^1123602556 is an apocalyptic number.

It is an amenable number.

1123602556 is a deficient number, since it is larger than the sum of its proper divisors (1018599044).

1123602556 is a wasteful number, since it uses less digits than its factorization.

1123602556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1123602556 is about 33520.1813240919. The cubic root of 1123602556 is about 1039.6110959598.

Adding to 1123602556 its reverse (6552063211), we get a palindrome (7675665767).

The spelling of 1123602556 in words is "one billion, one hundred twenty-three million, six hundred two thousand, five hundred fifty-six".