1123312130 has 16 divisors (see below), whose sum is σ = 2023277184. Its totient is φ = 449032560.

The previous prime is 1123312121. The next prime is 1123312159. The reversal of 1123312130 is 312133211.

It is a junction number, because it is equal to n+sod(n) for n = 1123312099 and 1123312108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20042 + ... + 51461.

It is an arithmetic number, because the mean of its divisors is an integer number (126454824).

Almost surely, 2^1123312130 is an apocalyptic number.

1123312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123312130 is a deficient number, since it is larger than the sum of its proper divisors (899965054).

1123312130 is a wasteful number, since it uses less digits than its factorization.

1123312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73081.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1123312130 is about 33515.8489374803. The cubic root of 1123312130 is about 1039.5215162092.

Adding to 1123312130 its reverse (312133211), we get a palindrome (1435445341).

The spelling of 1123312130 in words is "one billion, one hundred twenty-three million, three hundred twelve thousand, one hundred thirty".