1230429 has 4 divisors (see below), whose sum is σ = 1640576. Its totient is φ = 820284.

The previous prime is 1230401. The next prime is 1230433. The reversal of 1230429 is 9240321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9240321 = 3 ⋅3080107.

It is not a de Polignac number, because 1230429 - 2⁷ = 1230301 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205069 + ... + 205074.

It is an arithmetic number, because the mean of its divisors is an integer number (410144).

2^1230429 is an apocalyptic number.

It is an amenable number.

1230429 is a deficient number, since it is larger than the sum of its proper divisors (410147).

1230429 is an equidigital number, since it uses as much as digits as its factorization.

1230429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410146.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1230429 is about 1109.2470419163. The cubic root of 1230429 is about 107.1565821148.

The spelling of 1230429 in words is "one million, two hundred thirty thousand, four hundred twenty-nine".