1167869 has 2 divisors, whose sum is σ = 1167870. Its totient is φ = 1167868.

The previous prime is 1167853. The next prime is 1167889. The reversal of 1167869 is 9687611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792100 + 375769 = 890^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167869 - 2⁴ = 1167853 is a prime.

It is a super-2 number, since 2×1167869² = 2727836002322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167839) 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, 583934 + 583935.

It is an arithmetic number, because the mean of its divisors is an integer number (583935).

2^1167869 is an apocalyptic number.

It is an amenable number.

1167869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167869 is an equidigital number, since it uses as much as digits as its factorization.

1167869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 38.

The square root of 1167869 is about 1080.6798785950. The cubic root of 1167869 is about 105.3088112102.

The spelling of 1167869 in words is "one million, one hundred sixty-seven thousand, eight hundred sixty-nine".