1190789 has 2 divisors, whose sum is σ = 1190790. Its totient is φ = 1190788.

The previous prime is 1190773. The next prime is 1190807. The reversal of 1190789 is 9870911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 616225 + 574564 = 785^2 + 758^2 .

It is an emirp because it is prime and its reverse (9870911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1190789 - 2⁴ = 1190773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1190719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595394 + 595395.

It is an arithmetic number, because the mean of its divisors is an integer number (595395).

2^1190789 is an apocalyptic number.

It is an amenable number.

1190789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1190789 is an equidigital number, since it uses as much as digits as its factorization.

1190789 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 1190789 is about 1091.2327890968. The cubic root of 1190789 is about 105.9932652657.

The spelling of 1190789 in words is "one million, one hundred ninety thousand, seven hundred eighty-nine".