1204550313 has 8 divisors (see below), whose sum is σ = 1633288800. Its totient is φ = 789422688.

The previous prime is 1204550279. The next prime is 1204550329. The reversal of 1204550313 is 3130554021.

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

It is not a de Polignac number, because 1204550313 - 2²⁰ = 1203501737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1204550363) 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 7 ways as a sum of consecutive naturals, for example, 3402508 + ... + 3402861.

It is an arithmetic number, because the mean of its divisors is an integer number (204161100).

Almost surely, 2^1204550313 is an apocalyptic number.

It is an amenable number.

1204550313 is a deficient number, since it is larger than the sum of its proper divisors (428738487).

1204550313 is an equidigital number, since it uses as much as digits as its factorization.

1204550313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805431.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1204550313 is about 34706.6321183718. The cubic root of 1204550313 is about 1064.0000497602. Note that the first 4 decimals are identical.

The spelling of 1204550313 in words is "one billion, two hundred four million, five hundred fifty thousand, three hundred thirteen".