1123631036 has 24 divisors (see below), whose sum is σ = 2150037120. Its totient is φ = 509569200.

The previous prime is 1123631011. The next prime is 1123631057. The reversal of 1123631036 is 6301363211.

It is a junction number, because it is equal to n+sod(n) for n = 1123630996 and 1123631014.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9770 + ... + 48401.

It is an arithmetic number, because the mean of its divisors is an integer number (89584880).

Almost surely, 2^1123631036 is an apocalyptic number.

It is an amenable number.

1123631036 is a deficient number, since it is larger than the sum of its proper divisors (1026406084).

1123631036 is a wasteful number, since it uses less digits than its factorization.

1123631036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58625 (or 58623 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1123631036 is about 33520.6061401043. The cubic root of 1123631036 is about 1039.6198795739.

Adding to 1123631036 its reverse (6301363211), we get a palindrome (7424994247).

The spelling of 1123631036 in words is "one billion, one hundred twenty-three million, six hundred thirty-one thousand, thirty-six".