1188223 has 2 divisors, whose sum is σ = 1188224. Its totient is φ = 1188222.

The previous prime is 1188197. The next prime is 1188227. The reversal of 1188223 is 3228811.

It is a strong prime.

It is an emirp because it is prime and its reverse (3228811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1188223 - 2¹³ = 1180031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1188227) 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, 594111 + 594112.

It is an arithmetic number, because the mean of its divisors is an integer number (594112).

2^1188223 is an apocalyptic number.

1188223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188223 is an equidigital number, since it uses as much as digits as its factorization.

1188223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

The square root of 1188223 is about 1090.0564205581. The cubic root of 1188223 is about 105.9170764775.

The spelling of 1188223 in words is "one million, one hundred eighty-eight thousand, two hundred twenty-three".