1197389 has 2 divisors, whose sum is σ = 1197390. Its totient is φ = 1197388.

The previous prime is 1197367. The next prime is 1197407. The reversal of 1197389 is 9837911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1177225 + 20164 = 1085^2 + 142^2 .

It is an emirp because it is prime and its reverse (9837911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1197389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1197349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598694 + 598695.

It is an arithmetic number, because the mean of its divisors is an integer number (598695).

2^1197389 is an apocalyptic number.

It is an amenable number.

1197389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197389 is an equidigital number, since it uses as much as digits as its factorization.

1197389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 38.

The square root of 1197389 is about 1094.2527130421. The cubic root of 1197389 is about 106.1887286872.

The spelling of 1197389 in words is "one million, one hundred ninety-seven thousand, three hundred eighty-nine".