1199369 has 2 divisors, whose sum is σ = 1199370. Its totient is φ = 1199368.

The previous prime is 1199357. The next prime is 1199371. The reversal of 1199369 is 9639911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1183744 + 15625 = 1088^2 + 125^2 .

It is an emirp because it is prime and its reverse (9639911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1199369 is a prime.

It is a super-2 number, since 2×1199369² = 2876971996322, which contains 22 as substring.

Together with 1199371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1199309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599684 + 599685.

It is an arithmetic number, because the mean of its divisors is an integer number (599685).

2^1199369 is an apocalyptic number.

It is an amenable number.

1199369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199369 is an equidigital number, since it uses as much as digits as its factorization.

1199369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 38.

The square root of 1199369 is about 1095.1570663608. The cubic root of 1199369 is about 106.2472276093.

The spelling of 1199369 in words is "one million, one hundred ninety-nine thousand, three hundred sixty-nine".