1123312108 has 12 divisors (see below), whose sum is σ = 1984168872. Its totient is φ = 556406720.

The previous prime is 1123312093. The next prime is 1123312109. The reversal of 1123312108 is 8012133211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1123312109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311853 + ... + 1312708.

It is an arithmetic number, because the mean of its divisors is an integer number (165347406).

Almost surely, 2^1123312108 is an apocalyptic number.

It is an amenable number.

1123312108 is a deficient number, since it is larger than the sum of its proper divisors (860856764).

1123312108 is a wasteful number, since it uses less digits than its factorization.

1123312108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624672 (or 2624670 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1123312108 is about 33515.8486092774. The cubic root of 1123312108 is about 1039.5215094229.

Adding to 1123312108 its reverse (8012133211), we get a palindrome (9135445319).

The spelling of 1123312108 in words is "one billion, one hundred twenty-three million, three hundred twelve thousand, one hundred eight".