1188307 has 2 divisors, whose sum is σ = 1188308. Its totient is φ = 1188306.

The previous prime is 1188293. The next prime is 1188353. The reversal of 1188307 is 7038811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1188307 - 2⁷ = 1188179 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1188377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594153 + 594154.

It is an arithmetic number, because the mean of its divisors is an integer number (594154).

2^1188307 is an apocalyptic number.

1188307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188307 is an equidigital number, since it uses as much as digits as its factorization.

1188307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1188307 is about 1090.0949499929. The cubic root of 1188307 is about 105.9195723123.

The spelling of 1188307 in words is "one million, one hundred eighty-eight thousand, three hundred seven".