1040185 has 4 divisors (see below), whose sum is σ = 1248228. Its totient is φ = 832144.

The previous prime is 1040183. The next prime is 1040189. The reversal of 1040185 is 5810401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110889 + 929296 = 333^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040185 - 2¹ = 1040183 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104014 + ... + 104023.

It is an arithmetic number, because the mean of its divisors is an integer number (312057).

2^1040185 is an apocalyptic number.

It is an amenable number.

1040185 is a deficient number, since it is larger than the sum of its proper divisors (208043).

1040185 is an equidigital number, since it uses as much as digits as its factorization.

1040185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208042.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1040185 is about 1019.8946023977. The cubic root of 1040185 is about 101.3219475415.

Adding to 1040185 its reverse (5810401), we get a palindrome (6850586).

It can be divided in two parts, 1040 and 185, that added together give a triangular number (1225 = T₄₉).

The spelling of 1040185 in words is "one million, forty thousand, one hundred eighty-five".