1364243 has 2 divisors, whose sum is σ = 1364244. Its totient is φ = 1364242.

The previous prime is 1364239. The next prime is 1364263. The reversal of 1364243 is 3424631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1364243 - 2² = 1364239 is a prime.

It is a super-2 number, since 2×1364243² = 3722317926098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1364203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682121 + 682122.

It is an arithmetic number, because the mean of its divisors is an integer number (682122).

2^1364243 is an apocalyptic number.

1364243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364243 is an equidigital number, since it uses as much as digits as its factorization.

1364243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 1364243 is about 1168.0081335333. The cubic root of 1364243 is about 110.9082649805.

Adding to 1364243 its reverse (3424631), we get a palindrome (4788874).

The spelling of 1364243 in words is "one million, three hundred sixty-four thousand, two hundred forty-three".