1188227 has 2 divisors, whose sum is σ = 1188228. Its totient is φ = 1188226.

The previous prime is 1188223. The next prime is 1188233. The reversal of 1188227 is 7228811.

It is a weak prime.

It is an emirp because it is prime and its reverse (7228811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1188227 - 2² = 1188223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1188227.

It is not a weakly prime, because it can be changed into another prime (1188223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594113 + 594114.

It is an arithmetic number, because the mean of its divisors is an integer number (594114).

2^1188227 is an apocalyptic number.

1188227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188227 is an equidigital number, since it uses as much as digits as its factorization.

1188227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792, while the sum is 29.

The square root of 1188227 is about 1090.0582553240. The cubic root of 1188227 is about 105.9171953294.

The spelling of 1188227 in words is "one million, one hundred eighty-eight thousand, two hundred twenty-seven".