1041421 has 2 divisors, whose sum is σ = 1041422. Its totient is φ = 1041420.

The previous prime is 1041373. The next prime is 1041427. The reversal of 1041421 is 1241401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1028196 + 13225 = 1014^2 + 115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1041421 is a prime.

It is a Chen prime.

It is the 1021-st Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1041427) by changing a digit.

It is a nontrivial repunit in base 1020.

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, 520710 + 520711.

It is an arithmetic number, because the mean of its divisors is an integer number (520711).

2^1041421 is an apocalyptic number.

It is an amenable number.

1041421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041421 is an equidigital number, since it uses as much as digits as its factorization.

1041421 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 1041421 is about 1020.5003674669. The cubic root of 1041421 is about 101.3620635968.

Adding to 1041421 its reverse (1241401), we get a palindrome (2282822).

The spelling of 1041421 in words is "one million, forty-one thousand, four hundred twenty-one".