1045705 has 8 divisors (see below), whose sum is σ = 1285704. Its totient is φ = 816000.

The previous prime is 1045691. The next prime is 1045727. The reversal of 1045705 is 5075401.

It can be written as a sum of positive squares in 4 ways, for example, as 118336 + 927369 = 344^2 + 963^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1045705 - 2⁹ = 1045193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2346 + ... + 2755.

It is an arithmetic number, because the mean of its divisors is an integer number (160713).

2^1045705 is an apocalyptic number.

It is an amenable number.

1045705 is a deficient number, since it is larger than the sum of its proper divisors (239999).

1045705 is an equidigital number, since it uses as much as digits as its factorization.

1045705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 1045705 is about 1022.5971836456. The cubic root of 1045705 is about 101.5008614550.

The spelling of 1045705 in words is "one million, forty-five thousand, seven hundred five".