1151147 has 2 divisors, whose sum is σ = 1151148. Its totient is φ = 1151146.

The previous prime is 1151141. The next prime is 1151159. The reversal of 1151147 is 7411511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151147 - 2⁶ = 1151083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575573 + 575574.

It is an arithmetic number, because the mean of its divisors is an integer number (575574).

2^1151147 is an apocalyptic number.

1151147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151147 is an equidigital number, since it uses as much as digits as its factorization.

1151147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 140, while the sum is 20.

The square root of 1151147 is about 1072.9151877012. The cubic root of 1151147 is about 104.8037756249.

Adding to 1151147 its reverse (7411511), we get a palindrome (8562658).

The spelling of 1151147 in words is "one million, one hundred fifty-one thousand, one hundred forty-seven".