1382191 has 2 divisors, whose sum is σ = 1382192. Its totient is φ = 1382190.

The previous prime is 1382189. The next prime is 1382201. The reversal of 1382191 is 1912831.

It is a weak prime.

It is an emirp because it is prime and its reverse (1912831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1382191 - 2¹ = 1382189 is a prime.

Together with 1382189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1382291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691095 + 691096.

It is an arithmetic number, because the mean of its divisors is an integer number (691096).

2^1382191 is an apocalyptic number.

1382191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382191 is an equidigital number, since it uses as much as digits as its factorization.

1382191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 25.

The square root of 1382191 is about 1175.6661941214. Note that the first 3 decimals coincide. The cubic root of 1382191 is about 111.3925177650.

The spelling of 1382191 in words is "one million, three hundred eighty-two thousand, one hundred ninety-one".