1130312 has 16 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 540496.

The previous prime is 1130299. The next prime is 1130317. The reversal of 1130312 is 2130311.

It is a junction number, because it is equal to n+sod(n) for n = 1130293 and 1130302.

It is not an unprimeable number, because it can be changed into a prime (1130317) 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, 2888 + ... + 3255.

It is an arithmetic number, because the mean of its divisors is an integer number (138240).

2^1130312 is an apocalyptic number.

It is an amenable number.

1130312 is a deficient number, since it is larger than the sum of its proper divisors (1081528).

1130312 is a wasteful number, since it uses less digits than its factorization.

1130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172 (or 6168 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1130312 is about 1063.1613236005. The cubic root of 1130312 is about 104.1676290756.

Adding to 1130312 its reverse (2130311), we get a palindrome (3260623).

Subtracting 1130312 from its reverse (2130311), we obtain a palindrome (999999).

The spelling of 1130312 in words is "one million, one hundred thirty thousand, three hundred twelve".