1195091 has 2 divisors, whose sum is σ = 1195092. Its totient is φ = 1195090.

The previous prime is 1195067. The next prime is 1195121. The reversal of 1195091 is 1905911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1195091 - 2¹⁴ = 1178707 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1195091.

It is not a weakly prime, because it can be changed into another prime (1195021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597545 + 597546.

It is an arithmetic number, because the mean of its divisors is an integer number (597546).

2^1195091 is an apocalyptic number.

1195091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195091 is an equidigital number, since it uses as much as digits as its factorization.

1195091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 26.

The square root of 1195091 is about 1093.2021770926. The cubic root of 1195091 is about 106.1207535703.

The spelling of 1195091 in words is "one million, one hundred ninety-five thousand, ninety-one".