1204313085 has 12 divisors (see below), whose sum is σ = 2087476092. Its totient is φ = 642300288.

The previous prime is 1204313059. The next prime is 1204313087. The reversal of 1204313085 is 5803134021.

It is a happy number.

1204313085 is a `hidden beast` number, since 120 + 431 + 30 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 918635481 + 285677604 = 30309^2 + 16902^2 .

It is not a de Polignac number, because 1204313085 - 2⁸ = 1204312829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204313087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13381212 + ... + 13381301.

It is an arithmetic number, because the mean of its divisors is an integer number (173956341).

Almost surely, 2^1204313085 is an apocalyptic number.

1204313085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1204313085 is a deficient number, since it is larger than the sum of its proper divisors (883163007).

1204313085 is a wasteful number, since it uses less digits than its factorization.

1204313085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26762524 (or 26762521 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1204313085 is about 34703.2143323929. The cubic root of 1204313085 is about 1063.9301959807.

The spelling of 1204313085 in words is "one billion, two hundred four million, three hundred thirteen thousand, eighty-five".