1200550205 has 8 divisors (see below), whose sum is σ = 1503297792. Its totient is φ = 918681808.

The previous prime is 1200550171. The next prime is 1200550229. The reversal of 1200550205 is 5020550021.

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 1200550205 - 2¹⁴ = 1200533821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5219669 + ... + 5219898.

It is an arithmetic number, because the mean of its divisors is an integer number (187912224).

Almost surely, 2^1200550205 is an apocalyptic number.

It is an amenable number.

1200550205 is a deficient number, since it is larger than the sum of its proper divisors (302747587).

1200550205 is a wasteful number, since it uses less digits than its factorization.

1200550205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10439595.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1200550205 is about 34648.9567664021. The cubic root of 1200550205 is about 1062.8209554941.

The spelling of 1200550205 in words is "one billion, two hundred million, five hundred fifty thousand, two hundred five".