1431047 has 2 divisors, whose sum is σ = 1431048. Its totient is φ = 1431046.

The previous prime is 1431029. The next prime is 1431071. The reversal of 1431047 is 7401341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1431047 - 2¹² = 1426951 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 (1431007) 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, 715523 + 715524.

It is an arithmetic number, because the mean of its divisors is an integer number (715524).

2^1431047 is an apocalyptic number.

1431047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431047 is an equidigital number, since it uses as much as digits as its factorization.

1431047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1431047 is about 1196.2637669009. The cubic root of 1431047 is about 112.6898063338.

Adding to 1431047 its reverse (7401341), we get a palindrome (8832388).

The spelling of 1431047 in words is "one million, four hundred thirty-one thousand, forty-seven".