1123312 has 10 divisors (see below), whose sum is σ = 2176448. Its totient is φ = 561648.

The previous prime is 1123307. The next prime is 1123319. The reversal of 1123312 is 2133211.

It is a junction number, because it is equal to n+sod(n) for n = 1123292 and 1123301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35088 + ... + 35119.

2^1123312 is an apocalyptic number.

It is an amenable number.

1123312 is a deficient number, since it is larger than the sum of its proper divisors (1053136).

1123312 is an equidigital number, since it uses as much as digits as its factorization.

1123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70215 (or 70209 counting only the distinct ones).

The product of its digits is 36, while the sum is 13.

The square root of 1123312 is about 1059.8641422371. The cubic root of 1123312 is about 103.9521476108.

Adding to 1123312 its reverse (2133211), we get a palindrome (3256523).

The spelling of 1123312 in words is "one million, one hundred twenty-three thousand, three hundred twelve".