1204065 has 24 divisors (see below), whose sum is σ = 2166528. Its totient is φ = 641520.

The previous prime is 1204037. The next prime is 1204097. The reversal of 1204065 is 5604021.

It is a happy number.

It is not a de Polignac number, because 1204065 - 2⁸ = 1203809 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 720 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (90272).

2^1204065 is an apocalyptic number.

1204065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1204065 is a deficient number, since it is larger than the sum of its proper divisors (962463).

1204065 is an frugal number, since it uses more digits than its factorization.

1204065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1204065 is about 1097.2989565292. The cubic root of 1204065 is about 106.3857135453.

Adding to 1204065 its reverse (5604021), we get a palindrome (6808086).

The spelling of 1204065 in words is "one million, two hundred four thousand, sixty-five".