1147127 has 2 divisors, whose sum is σ = 1147128. Its totient is φ = 1147126.

The previous prime is 1147117. The next prime is 1147141. The reversal of 1147127 is 7217411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1147127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573563 + 573564.

It is an arithmetic number, because the mean of its divisors is an integer number (573564).

2^1147127 is an apocalyptic number.

1147127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147127 is an equidigital number, since it uses as much as digits as its factorization.

1147127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 392, while the sum is 23.

The square root of 1147127 is about 1071.0401486406. The cubic root of 1147127 is about 104.6816358340.

The spelling of 1147127 in words is "one million, one hundred forty-seven thousand, one hundred twenty-seven".