1041985 has 12 divisors (see below), whose sum is σ = 1454868. Its totient is φ = 714336.

The previous prime is 1041983. The next prime is 1041991. The reversal of 1041985 is 5891401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 815409 = 476^2 + 903^2 .

It is not a de Polignac number, because 1041985 - 2¹ = 1041983 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1041983) 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 11 ways as a sum of consecutive naturals, for example, 1882 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (121239).

2^1041985 is an apocalyptic number.

It is an amenable number.

1041985 is a deficient number, since it is larger than the sum of its proper divisors (412883).

1041985 is an equidigital number, since it uses as much as digits as its factorization.

1041985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272 (or 4265 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1041985 is about 1020.7766650938. The cubic root of 1041985 is about 101.3803584352.

The spelling of 1041985 in words is "one million, forty-one thousand, nine hundred eighty-five".