1420429 has 2 divisors, whose sum is σ = 1420430. Its totient is φ = 1420428.

The previous prime is 1420403. The next prime is 1420483. The reversal of 1420429 is 9240241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 51529 = 1170^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420429 - 2⁷ = 1420301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420729) 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 as a sum of consecutive naturals, namely, 710214 + 710215.

It is an arithmetic number, because the mean of its divisors is an integer number (710215).

2^1420429 is an apocalyptic number.

It is an amenable number.

1420429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420429 is an equidigital number, since it uses as much as digits as its factorization.

1420429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1420429 is about 1191.8175195893. The cubic root of 1420429 is about 112.4104043847.

It can be divided in two parts, 1420 and 429, that added together give a square (1849 = 43²).

The spelling of 1420429 in words is "one million, four hundred twenty thousand, four hundred twenty-nine".