1045801 has 2 divisors, whose sum is σ = 1045802. Its totient is φ = 1045800.

The previous prime is 1045799. The next prime is 1045819. The reversal of 1045801 is 1085401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 714025 + 331776 = 845^2 + 576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045801 - 2¹ = 1045799 is a prime.

Together with 1045799, it forms a pair of twin primes.

1045801 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1045841) 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, 522900 + 522901.

It is an arithmetic number, because the mean of its divisors is an integer number (522901).

2^1045801 is an apocalyptic number.

It is an amenable number.

1045801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045801 is an equidigital number, since it uses as much as digits as its factorization.

1045801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1045801 is about 1022.6441218723. The cubic root of 1045801 is about 101.5039674248.

The spelling of 1045801 in words is "one million, forty-five thousand, eight hundred one".