1161227 has 2 divisors, whose sum is σ = 1161228. Its totient is φ = 1161226.

The previous prime is 1161217. The next prime is 1161233. The reversal of 1161227 is 7221611.

It is a strong prime.

It is an emirp because it is prime and its reverse (7221611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1161227 - 2⁶ = 1161163 is a prime.

It is equal to p₉₀₁₁₉ and since 1161227 and 90119 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 1161199 and 1161208.

It is not a weakly prime, because it can be changed into another prime (1161217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580613 + 580614.

It is an arithmetic number, because the mean of its divisors is an integer number (580614).

2^1161227 is an apocalyptic number.

1161227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161227 is an equidigital number, since it uses as much as digits as its factorization.

1161227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 20.

The square root of 1161227 is about 1077.6024313261. The cubic root of 1161227 is about 105.1087912477.

Adding to 1161227 its reverse (7221611), we get a palindrome (8382838).

The spelling of 1161227 in words is "one million, one hundred sixty-one thousand, two hundred twenty-seven".