1421041 has 2 divisors, whose sum is σ = 1421042. Its totient is φ = 1421040.

The previous prime is 1421039. The next prime is 1421083. The reversal of 1421041 is 1401241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992016 + 429025 = 996^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421041 - 2¹ = 1421039 is a prime.

Together with 1421039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1421011) 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, 710520 + 710521.

It is an arithmetic number, because the mean of its divisors is an integer number (710521).

2^1421041 is an apocalyptic number.

It is an amenable number.

1421041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421041 is an equidigital number, since it uses as much as digits as its factorization.

1421041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1421041 is about 1192.0742426544. The cubic root of 1421041 is about 112.4265462896.

Adding to 1421041 its reverse (1401241), we get a palindrome (2822282).

The spelling of 1421041 in words is "one million, four hundred twenty-one thousand, forty-one".