1161449 has 2 divisors, whose sum is σ = 1161450. Its totient is φ = 1161448.

The previous prime is 1161443. The next prime is 1161463. The reversal of 1161449 is 9441611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 469225 = 832^2 + 685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1161449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1161443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580724 + 580725.

It is an arithmetic number, because the mean of its divisors is an integer number (580725).

2^1161449 is an apocalyptic number.

It is an amenable number.

1161449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161449 is an equidigital number, since it uses as much as digits as its factorization.

1161449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 1161449 is about 1077.7054328526. The cubic root of 1161449 is about 105.1154889519.

The spelling of 1161449 in words is "one million, one hundred sixty-one thousand, four hundred forty-nine".