1141867 has 2 divisors, whose sum is σ = 1141868. Its totient is φ = 1141866.

The previous prime is 1141853. The next prime is 1141871. The reversal of 1141867 is 7681411.

It is a strong prime.

It is an emirp because it is prime and its reverse (7681411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1141867 - 2⁷ = 1141739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1141837) 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, 570933 + 570934.

It is an arithmetic number, because the mean of its divisors is an integer number (570934).

2^1141867 is an apocalyptic number.

1141867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141867 is an equidigital number, since it uses as much as digits as its factorization.

1141867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 28.

The square root of 1141867 is about 1068.5817703854. The cubic root of 1141867 is about 104.5213893627.

The spelling of 1141867 in words is "one million, one hundred forty-one thousand, eight hundred sixty-seven".