1205875385 has 32 divisors (see below), whose sum is σ = 1717656192. Its totient is φ = 801146880.

The previous prime is 1205875379. The next prime is 1205875397. The reversal of 1205875385 is 5835785021.

It is not a de Polignac number, because 1205875385 - 2⁴ = 1205875369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60662 + ... + 78048.

It is an arithmetic number, because the mean of its divisors is an integer number (53676756).

Almost surely, 2^1205875385 is an apocalyptic number.

It is an amenable number.

1205875385 is a deficient number, since it is larger than the sum of its proper divisors (511780807).

1205875385 is a wasteful number, since it uses less digits than its factorization.

1205875385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17513.

The product of its (nonzero) digits is 336000, while the sum is 44.

The square root of 1205875385 is about 34725.7164792895. The cubic root of 1205875385 is about 1064.3900597619.

The spelling of 1205875385 in words is "one billion, two hundred five million, eight hundred seventy-five thousand, three hundred eighty-five".