1230349 has 2 divisors, whose sum is σ = 1230350. Its totient is φ = 1230348.

The previous prime is 1230347. The next prime is 1230367. The reversal of 1230349 is 9430321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1225449 + 4900 = 1107^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230349 - 2¹ = 1230347 is a prime.

Together with 1230347, 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 a congruent number.

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, 615174 + 615175.

It is an arithmetic number, because the mean of its divisors is an integer number (615175).

2^1230349 is an apocalyptic number.

It is an amenable number.

1230349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230349 is an equidigital number, since it uses as much as digits as its factorization.

1230349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1230349 is about 1109.2109808328. The cubic root of 1230349 is about 107.1542596965.

The spelling of 1230349 in words is "one million, two hundred thirty thousand, three hundred forty-nine".