1008745 has 8 divisors (see below), whose sum is σ = 1217160. Its totient is φ = 802560.

The previous prime is 1008743. The next prime is 1008773. The reversal of 1008745 is 5478001.

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 851929 = 396^2 + 923^2 .

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

It is not a de Polignac number, because 1008745 - 2¹ = 1008743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1008743) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 705 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (152145).

2^1008745 is an apocalyptic number.

It is an amenable number.

1008745 is a deficient number, since it is larger than the sum of its proper divisors (208415).

1008745 is an equidigital number, since it uses as much as digits as its factorization.

1008745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1008745 is about 1004.3629821932. The cubic root of 1008745 is about 100.2906543818.

The spelling of 1008745 in words is "one million, eight thousand, seven hundred forty-five".