1196891 has 2 divisors, whose sum is σ = 1196892. Its totient is φ = 1196890.

The previous prime is 1196873. The next prime is 1196911. The reversal of 1196891 is 1986911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1196891 - 2¹⁴ = 1180507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1196861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598445 + 598446.

It is an arithmetic number, because the mean of its divisors is an integer number (598446).

2^1196891 is an apocalyptic number.

1196891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196891 is an equidigital number, since it uses as much as digits as its factorization.

1196891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 35.

The square root of 1196891 is about 1094.0251368227. The cubic root of 1196891 is about 106.1740051736.

The spelling of 1196891 in words is "one million, one hundred ninety-six thousand, eight hundred ninety-one".