1204105 has 8 divisors (see below), whose sum is σ = 1651392. Its totient is φ = 825648.

The previous prime is 1204103. The next prime is 1204117. The reversal of 1204105 is 5014021.

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

It is a cyclic number.

It is not a de Polignac number, because 1204105 - 2¹ = 1204103 is a prime.

It is a Duffinian number.

1204105 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1204103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17167 + ... + 17236.

It is an arithmetic number, because the mean of its divisors is an integer number (206424).

2^1204105 is an apocalyptic number.

It is an amenable number.

1204105 is a deficient number, since it is larger than the sum of its proper divisors (447287).

1204105 is an equidigital number, since it uses as much as digits as its factorization.

1204105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34415.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1204105 is about 1097.3171829512. The cubic root of 1204105 is about 106.3868916050.

Adding to 1204105 its reverse (5014021), we get a palindrome (6218126).

It can be divided in two parts, 120 and 4105, that added together give a square (4225 = 65²).

The spelling of 1204105 in words is "one million, two hundred four thousand, one hundred five".