1429591 has 2 divisors, whose sum is σ = 1429592. Its totient is φ = 1429590.

The previous prime is 1429583. The next prime is 1429601. The reversal of 1429591 is 1959241.

It is a weak prime.

It is an emirp because it is prime and its reverse (1959241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1429591 - 2³ = 1429583 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429531) 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, 714795 + 714796.

It is an arithmetic number, because the mean of its divisors is an integer number (714796).

2^1429591 is an apocalyptic number.

1429591 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429591 is an equidigital number, since it uses as much as digits as its factorization.

1429591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 1429591 is about 1195.6550505894. The cubic root of 1429591 is about 112.6515751098.

The spelling of 1429591 in words is "one million, four hundred twenty-nine thousand, five hundred ninety-one".