1230347 has 2 divisors, whose sum is σ = 1230348. Its totient is φ = 1230346.

The previous prime is 1230343. The next prime is 1230349. The reversal of 1230347 is 7430321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230347 - 2² = 1230343 is a prime.

Together with 1230349, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1230343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615173 + 615174.

It is an arithmetic number, because the mean of its divisors is an integer number (615174).

2^1230347 is an apocalyptic number.

1230347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230347 is an equidigital number, since it uses as much as digits as its factorization.

1230347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 1230347 is about 1109.2100792907. The cubic root of 1230347 is about 107.1542016348.

Adding to 1230347 its reverse (7430321), we get a palindrome (8660668).

The spelling of 1230347 in words is "one million, two hundred thirty thousand, three hundred forty-seven".