1147043 has 2 divisors, whose sum is σ = 1147044. Its totient is φ = 1147042.

The previous prime is 1147039. The next prime is 1147051. The reversal of 1147043 is 3407411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1147043 - 2² = 1147039 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1147073) 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, 573521 + 573522.

It is an arithmetic number, because the mean of its divisors is an integer number (573522).

2^1147043 is an apocalyptic number.

1147043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147043 is an equidigital number, since it uses as much as digits as its factorization.

1147043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1147043 is about 1071.0009337064. Note that the first 3 decimals coincide. The cubic root of 1147043 is about 104.6790806179.

The spelling of 1147043 in words is "one million, one hundred forty-seven thousand, forty-three".