1205000425 has 12 divisors (see below), whose sum is σ = 1572843280. Its totient is φ = 913263120.

The previous prime is 1205000417. The next prime is 1205000437. The reversal of 1205000425 is 5240005021.

It is not a de Polignac number, because 1205000425 - 2³ = 1205000417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1267947 + ... + 1268896.

Almost surely, 2^1205000425 is an apocalyptic number.

It is an amenable number.

1205000425 is a deficient number, since it is larger than the sum of its proper divisors (367842855).

1205000425 is a wasteful number, since it uses less digits than its factorization.

1205000425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536872 (or 2536867 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1205000425 is about 34713.1160370255. The cubic root of 1205000425 is about 1064.1325638179.

Adding to 1205000425 its reverse (5240005021), we get a palindrome (6445005446).

The spelling of 1205000425 in words is "one billion, two hundred five million, four hundred twenty-five", and thus it is an aban number.