11520227 has 2 divisors, whose sum is σ = 11520228. Its totient is φ = 11520226.

The previous prime is 11520191. The next prime is 11520269. The reversal of 11520227 is 72202511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11520227 - 2⁸ = 11519971 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11520199 and 11520208.

It is not a weakly prime, because it can be changed into another prime (11520287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760113 + 5760114.

It is an arithmetic number, because the mean of its divisors is an integer number (5760114).

Almost surely, 2^11520227 is an apocalyptic number.

11520227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520227 is an equidigital number, since it uses as much as digits as its factorization.

11520227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 11520227 is about 3394.1459897889. The cubic root of 11520227 is about 225.8501303604.

Adding to 11520227 its reverse (72202511), we get a palindrome (83722738).

The spelling of 11520227 in words is "eleven million, five hundred twenty thousand, two hundred twenty-seven".