1161829 has 2 divisors, whose sum is σ = 1161830. Its totient is φ = 1161828.

The previous prime is 1161791. The next prime is 1161833. The reversal of 1161829 is 9281611.

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., 859329 + 302500 = 927^2 + 550^2 .

It is an emirp because it is prime and its reverse (9281611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1161829 - 2⁹ = 1161317 is a prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1161797 and 1161806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161529) 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, 580914 + 580915.

It is an arithmetic number, because the mean of its divisors is an integer number (580915).

2^1161829 is an apocalyptic number.

It is an amenable number.

1161829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161829 is an equidigital number, since it uses as much as digits as its factorization.

1161829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 28.

The square root of 1161829 is about 1077.8817189284. The cubic root of 1161829 is about 105.1269515101.

The spelling of 1161829 in words is "one million, one hundred sixty-one thousand, eight hundred twenty-nine".