1243349 has 2 divisors, whose sum is σ = 1243350. Its totient is φ = 1243348.

The previous prime is 1243343. The next prime is 1243367. The reversal of 1243349 is 9433421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 207025 = 1018^2 + 455^2 .

It is an emirp because it is prime and its reverse (9433421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1243349 - 2⁸ = 1243093 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1243343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621674 + 621675.

It is an arithmetic number, because the mean of its divisors is an integer number (621675).

2^1243349 is an apocalyptic number.

It is an amenable number.

1243349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243349 is an equidigital number, since it uses as much as digits as its factorization.

1243349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 1243349 is about 1115.0556039947. The cubic root of 1243349 is about 107.5303393724.

The spelling of 1243349 in words is "one million, two hundred forty-three thousand, three hundred forty-nine".