1045885 has 8 divisors (see below), whose sum is σ = 1298520. Its totient is φ = 807744.

The previous prime is 1045859. The next prime is 1045903. The reversal of 1045885 is 5885401.

It can be written as a sum of positive squares in 4 ways, for example, as 252004 + 793881 = 502^2 + 891^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1045885 - 2¹¹ = 1043837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3462 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (162315).

2^1045885 is an apocalyptic number.

It is an amenable number.

1045885 is a deficient number, since it is larger than the sum of its proper divisors (252635).

1045885 is an equidigital number, since it uses as much as digits as its factorization.

1045885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7247.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 1045885 is about 1022.6851910534. The cubic root of 1045885 is about 101.5066849925.

The spelling of 1045885 in words is "one million, forty-five thousand, eight hundred eighty-five".