1426429 has 2 divisors, whose sum is σ = 1426430. Its totient is φ = 1426428.

The previous prime is 1426427. The next prime is 1426457. The reversal of 1426429 is 9246241.

It is an a-pointer prime, because the next prime (1426457) can be obtained adding 1426429 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 783225 + 643204 = 885^2 + 802^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426429 - 2¹ = 1426427 is a prime.

Together with 1426427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1426397 and 1426406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713214 + 713215.

It is an arithmetic number, because the mean of its divisors is an integer number (713215).

2^1426429 is an apocalyptic number.

It is an amenable number.

1426429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426429 is an equidigital number, since it uses as much as digits as its factorization.

1426429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 1426429 is about 1194.3320308859. The cubic root of 1426429 is about 112.5684587444.

The spelling of 1426429 in words is "one million, four hundred twenty-six thousand, four hundred twenty-nine".