1040205 has 16 divisors (see below), whose sum is σ = 1718784. Its totient is φ = 536640.

The previous prime is 1040203. The next prime is 1040219. The reversal of 1040205 is 5020401.

It is not a de Polignac number, because 1040205 - 2¹ = 1040203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654 + ... + 1583.

It is an arithmetic number, because the mean of its divisors is an integer number (107424).

2^1040205 is an apocalyptic number.

1040205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040205 is a deficient number, since it is larger than the sum of its proper divisors (678579).

1040205 is a wasteful number, since it uses less digits than its factorization.

1040205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1040205 is about 1019.9044072853. The cubic root of 1040205 is about 101.3225969215.

Adding to 1040205 its reverse (5020401), we get a palindrome (6060606).

The spelling of 1040205 in words is "one million, forty thousand, two hundred five".