1205270208 has 84 divisors (see below), whose sum is σ = 3511426048. Its totient is φ = 395159040.

The previous prime is 1205270207. The next prime is 1205270279. The reversal of 1205270208 is 8020725021.

It is not an unprimeable number, because it can be changed into a prime (1205270207) by changing a digit.

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, 17985 + ... + 52287.

Almost surely, 2^1205270208 is an apocalyptic number.

1205270208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1205270208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755713024).

1205270208 is an abundant number, since it is smaller than the sum of its proper divisors (2306155840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1205270208 is a wasteful number, since it uses less digits than its factorization.

1205270208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34382 (or 34369 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1205270208 is about 34717.0017138577. The cubic root of 1205270208 is about 1064.2119727674.

Adding to 1205270208 its reverse (8020725021), we get a palindrome (9225995229).

The spelling of 1205270208 in words is "one billion, two hundred five million, two hundred seventy thousand, two hundred eight".