1170089 has 2 divisors, whose sum is σ = 1170090. Its totient is φ = 1170088.

The previous prime is 1170067. The next prime is 1170107. The reversal of 1170089 is 9800711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 912025 + 258064 = 955^2 + 508^2 .

It is an emirp because it is prime and its reverse (9800711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1170089 - 2¹² = 1165993 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₉₀₇₇₃ and since 1170089 and 90773 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1170019) 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, 585044 + 585045.

It is an arithmetic number, because the mean of its divisors is an integer number (585045).

2^1170089 is an apocalyptic number.

It is an amenable number.

1170089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170089 is an equidigital number, since it uses as much as digits as its factorization.

1170089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1170089 is about 1081.7065221214. The cubic root of 1170089 is about 105.3754960818.

The spelling of 1170089 in words is "one million, one hundred seventy thousand, eighty-nine".