1123321130 has 16 divisors (see below), whose sum is σ = 2023789320. Its totient is φ = 448925952.

The previous prime is 1123321117. The next prime is 1123321139. The reversal of 1123321130 is 311233211.

It can be written as a sum of positive squares in 4 ways, for example, as 691637401 + 431683729 = 26299^2 + 20777^2 .

It is a super-2 number, since 2×1123321130² = 2523700722208953800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123321099 and 1123321108.

It is not an unprimeable number, because it can be changed into a prime (1123321139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38459 + ... + 61038.

Almost surely, 2^1123321130 is an apocalyptic number.

1123321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123321130 is a deficient number, since it is larger than the sum of its proper divisors (900468190).

1123321130 is a wasteful number, since it uses less digits than its factorization.

1123321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100633.

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

The square root of 1123321130 is about 33515.9832020485. The cubic root of 1123321130 is about 1039.5242924244.

Adding to 1123321130 its reverse (311233211), we get a palindrome (1434554341).

The spelling of 1123321130 in words is "one billion, one hundred twenty-three million, three hundred twenty-one thousand, one hundred thirty".