1147441 has 2 divisors, whose sum is σ = 1147442. Its totient is φ = 1147440.

The previous prime is 1147427. The next prime is 1147451. The reversal of 1147441 is 1447411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1147041 + 400 = 1071^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147441 - 2⁵ = 1147409 is a prime.

1147441 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1147451) 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, 573720 + 573721.

It is an arithmetic number, because the mean of its divisors is an integer number (573721).

2^1147441 is an apocalyptic number.

It is an amenable number.

1147441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147441 is an equidigital number, since it uses as much as digits as its factorization.

1147441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 22.

The square root of 1147441 is about 1071.1867250858. The cubic root of 1147441 is about 104.6911863705.

The spelling of 1147441 in words is "one million, one hundred forty-seven thousand, four hundred forty-one".