1170899 has 2 divisors, whose sum is σ = 1170900. Its totient is φ = 1170898.

The previous prime is 1170863. The next prime is 1170941. The reversal of 1170899 is 9980711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1170899 - 2²⁰ = 122323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1170599) 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, 585449 + 585450.

It is an arithmetic number, because the mean of its divisors is an integer number (585450).

2^1170899 is an apocalyptic number.

1170899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170899 is an equidigital number, since it uses as much as digits as its factorization.

1170899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 1170899 is about 1082.0808657397. The cubic root of 1170899 is about 105.3998060456.

The spelling of 1170899 in words is "one million, one hundred seventy thousand, eight hundred ninety-nine".