1097147 has 2 divisors, whose sum is σ = 1097148. Its totient is φ = 1097146.

The previous prime is 1097143. The next prime is 1097179. The reversal of 1097147 is 7417901.

It is a weak prime.

It is an emirp because it is prime and its reverse (7417901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1097147 - 2² = 1097143 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1097141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548573 + 548574.

It is an arithmetic number, because the mean of its divisors is an integer number (548574).

2^1097147 is an apocalyptic number.

1097147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097147 is an equidigital number, since it uses as much as digits as its factorization.

1097147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 1097147 is about 1047.4478507305. The cubic root of 1097147 is about 103.1386889695.

The spelling of 1097147 in words is "one million, ninety-seven thousand, one hundred forty-seven".