1123307 has 2 divisors, whose sum is σ = 1123308. Its totient is φ = 1123306.

The previous prime is 1123303. The next prime is 1123319. The reversal of 1123307 is 7033211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123307 - 2² = 1123303 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561653 + 561654.

It is an arithmetic number, because the mean of its divisors is an integer number (561654).

2^1123307 is an apocalyptic number.

1123307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123307 is an equidigital number, since it uses as much as digits as its factorization.

1123307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 1123307 is about 1059.8617834416. The cubic root of 1123307 is about 103.9519933760.

Adding to 1123307 its reverse (7033211), we get a palindrome (8156518).

The spelling of 1123307 in words is "one million, one hundred twenty-three thousand, three hundred seven".