1186879 has 2 divisors, whose sum is σ = 1186880. Its totient is φ = 1186878.

The previous prime is 1186847. The next prime is 1186931. The reversal of 1186879 is 9786811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1186879 - 2⁵ = 1186847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1186079) 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, 593439 + 593440.

It is an arithmetic number, because the mean of its divisors is an integer number (593440).

2^1186879 is an apocalyptic number.

1186879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1186879 is an equidigital number, since it uses as much as digits as its factorization.

1186879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 40.

The square root of 1186879 is about 1089.4397642825. The cubic root of 1186879 is about 105.8771271144.

The spelling of 1186879 in words is "one million, one hundred eighty-six thousand, eight hundred seventy-nine".