1491114227 has 2 divisors, whose sum is σ = 1491114228. Its totient is φ = 1491114226.

The previous prime is 1491114203. The next prime is 1491114241. The reversal of 1491114227 is 7224111941.

It is a strong prime.

It is an emirp because it is prime and its reverse (7224111941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1491114227 - 2²⁰ = 1490065651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1491114193 and 1491114202.

It is not a weakly prime, because it can be changed into another prime (1491144227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745557113 + 745557114.

It is an arithmetic number, because the mean of its divisors is an integer number (745557114).

Almost surely, 2^1491114227 is an apocalyptic number.

1491114227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1491114227 is an equidigital number, since it uses as much as digits as its factorization.

1491114227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 1491114227 is about 38614.9482325174. The cubic root of 1491114227 is about 1142.4493931270.

The spelling of 1491114227 in words is "one billion, four hundred ninety-one million, one hundred fourteen thousand, two hundred twenty-seven".