1230829 has 2 divisors, whose sum is σ = 1230830. Its totient is φ = 1230828.

The previous prime is 1230791. The next prime is 1230863. The reversal of 1230829 is 9280321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 902500 + 328329 = 950^2 + 573^2 .

It is an emirp because it is prime and its reverse (9280321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230829 - 2¹⁷ = 1099757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615414 + 615415.

It is an arithmetic number, because the mean of its divisors is an integer number (615415).

2^1230829 is an apocalyptic number.

It is an amenable number.

1230829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230829 is an equidigital number, since it uses as much as digits as its factorization.

1230829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1230829 is about 1109.4273297517. The cubic root of 1230829 is about 107.1681926964.

The spelling of 1230829 in words is "one million, two hundred thirty thousand, eight hundred twenty-nine".