1024985 has 12 divisors (see below), whose sum is σ = 1332972. Its totient is φ = 756288.

The previous prime is 1024963. The next prime is 1024987. The reversal of 1024985 is 5894201.

It can be written as a sum of positive squares in 6 ways, for example, as 478864 + 546121 = 692^2 + 739^2 .

It is not a de Polignac number, because 1024985 - 2⁶ = 1024921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024987) 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 in 11 ways as a sum of consecutive naturals, for example, 239 + ... + 1451.

It is an arithmetic number, because the mean of its divisors is an integer number (111081).

2^1024985 is an apocalyptic number.

It is an amenable number.

1024985 is a deficient number, since it is larger than the sum of its proper divisors (307987).

1024985 is a wasteful number, since it uses less digits than its factorization.

1024985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1024985 is about 1012.4154285668. The cubic root of 1024985 is about 100.8259919220.

The spelling of 1024985 in words is "one million, twenty-four thousand, nine hundred eighty-five".