1045841 has 2 divisors, whose sum is σ = 1045842. Its totient is φ = 1045840.

The previous prime is 1045829. The next prime is 1045859. The reversal of 1045841 is 1485401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 774400 + 271441 = 880^2 + 521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045841 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045801) 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, 522920 + 522921.

It is an arithmetic number, because the mean of its divisors is an integer number (522921).

2^1045841 is an apocalyptic number.

It is an amenable number.

1045841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045841 is an equidigital number, since it uses as much as digits as its factorization.

1045841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1045841 is about 1022.6636788309. The cubic root of 1045841 is about 101.5052615228.

The spelling of 1045841 in words is "one million, forty-five thousand, eight hundred forty-one".