1195979 has 2 divisors, whose sum is σ = 1195980. Its totient is φ = 1195978.

The previous prime is 1195937. The next prime is 1195991. The reversal of 1195979 is 9795911.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1195979 - 2⁸ = 1195723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1195919) 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, 597989 + 597990.

It is an arithmetic number, because the mean of its divisors is an integer number (597990).

2^1195979 is an apocalyptic number.

1195979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195979 is an equidigital number, since it uses as much as digits as its factorization.

1195979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25515, while the sum is 41.

The square root of 1195979 is about 1093.6082479572. The cubic root of 1195979 is about 106.1470310388.

The spelling of 1195979 in words is "one million, one hundred ninety-five thousand, nine hundred seventy-nine".