1230329 has 2 divisors, whose sum is σ = 1230330. Its totient is φ = 1230328.

The previous prime is 1230311. The next prime is 1230331. The reversal of 1230329 is 9230321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719104 + 511225 = 848^2 + 715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230329 is a prime.

It is a Sophie Germain prime.

Together with 1230331, 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 Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230329.

It is not a weakly prime, because it can be changed into another prime (1230349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615164 + 615165.

It is an arithmetic number, because the mean of its divisors is an integer number (615165).

2^1230329 is an apocalyptic number.

It is an amenable number.

1230329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230329 is an equidigital number, since it uses as much as digits as its factorization.

1230329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1230329 is about 1109.2019653787. The cubic root of 1230329 is about 107.1536790762.

The spelling of 1230329 in words is "one million, two hundred thirty thousand, three hundred twenty-nine".