1427039 has 2 divisors, whose sum is σ = 1427040. Its totient is φ = 1427038.

The previous prime is 1427021. The next prime is 1427047. The reversal of 1427039 is 9307241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1427039 - 2²⁰ = 378463 is a prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1426999 and 1427017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427089) 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, 713519 + 713520.

It is an arithmetic number, because the mean of its divisors is an integer number (713520).

2^1427039 is an apocalyptic number.

1427039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427039 is an equidigital number, since it uses as much as digits as its factorization.

1427039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1427039 is about 1194.5873764610. The cubic root of 1427039 is about 112.5845027662.

The spelling of 1427039 in words is "one million, four hundred twenty-seven thousand, thirty-nine".