1121130312 has 32 divisors (see below), whose sum is σ = 2804524800. Its totient is φ = 373483584.

The previous prime is 1121130301. The next prime is 1121130319. The reversal of 1121130312 is 2130311211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1121130291 and 1121130300.

It is not an unprimeable number, because it can be changed into a prime (1121130319) 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, 28938 + ... + 55494.

It is an arithmetic number, because the mean of its divisors is an integer number (87641400).

Almost surely, 2^1121130312 is an apocalyptic number.

1121130312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121130312 is an abundant number, since it is smaller than the sum of its proper divisors (1683394488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121130312 is a wasteful number, since it uses less digits than its factorization.

1121130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28325 (or 28321 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1121130312 is about 33483.2840683228. The cubic root of 1121130312 is about 1038.8480563885.

Adding to 1121130312 its reverse (2130311211), we get a palindrome (3251441523).

The spelling of 1121130312 in words is "one billion, one hundred twenty-one million, one hundred thirty thousand, three hundred twelve".