1042985 has 8 divisors (see below), whose sum is σ = 1294920. Its totient is φ = 805504.

The previous prime is 1042961. The next prime is 1042997. The reversal of 1042985 is 5892401.

It can be written as a sum of positive squares in 4 ways, for example, as 4624 + 1038361 = 68^2 + 1019^2 .

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

It is not a de Polignac number, because 1042985 - 2¹⁰ = 1041961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

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, 3452 + ... + 3741.

It is an arithmetic number, because the mean of its divisors is an integer number (161865).

2^1042985 is an apocalyptic number.

It is an amenable number.

1042985 is a deficient number, since it is larger than the sum of its proper divisors (251935).

1042985 is an equidigital number, since it uses as much as digits as its factorization.

1042985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227.

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

The square root of 1042985 is about 1021.2663707378. The cubic root of 1042985 is about 101.4127798693.

The spelling of 1042985 in words is "one million, forty-two thousand, nine hundred eighty-five".