1204955 has 8 divisors (see below), whose sum is σ = 1473552. Its totient is φ = 945568.

The previous prime is 1204937. The next prime is 1204967. The reversal of 1204955 is 5594021.

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 1204955 - 2⁶ = 1204891 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

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 7 ways as a sum of consecutive naturals, for example, 2009 + ... + 2538.

It is an arithmetic number, because the mean of its divisors is an integer number (184194).

2^1204955 is an apocalyptic number.

1204955 is a deficient number, since it is larger than the sum of its proper divisors (268597).

1204955 is an equidigital number, since it uses as much as digits as its factorization.

1204955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1204955 is about 1097.7044228753. The cubic root of 1204955 is about 106.4119192086.

Adding to 1204955 its reverse (5594021), we get a palindrome (6798976).

The spelling of 1204955 in words is "one million, two hundred four thousand, nine hundred fifty-five".