1123306 has 8 divisors (see below), whose sum is σ = 1690020. Its totient is φ = 559968.

The previous prime is 1123303. The next prime is 1123307. The reversal of 1123306 is 6033211.

It can be written as a sum of positive squares in 2 ways, for example, as 826281 + 297025 = 909^2 + 545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123306.

It is not an unprimeable number, because it can be changed into a prime (1123303) 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, 300 + ... + 1528.

2^1123306 is an apocalyptic number.

1123306 is a deficient number, since it is larger than the sum of its proper divisors (566714).

1123306 is a wasteful number, since it uses less digits than its factorization.

1123306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1123306 is about 1059.8613116819. The cubic root of 1123306 is about 103.9519625290.

Adding to 1123306 its reverse (6033211), we get a palindrome (7156517).

The spelling of 1123306 in words is "one million, one hundred twenty-three thousand, three hundred six".