1270206208 has 72 divisors (see below), whose sum is σ = 2606345280. Its totient is φ = 617533440.

The previous prime is 1270206193. The next prime is 1270206227. The reversal of 1270206208 is 8026020721.

It is a super-2 number, since 2×1270206208² = 3226847621683478528, which contains 22 as substring.

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, 2755098 + ... + 2755558.

It is an arithmetic number, because the mean of its divisors is an integer number (36199240).

Almost surely, 2^1270206208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270206208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303172640).

1270206208 is an abundant number, since it is smaller than the sum of its proper divisors (1336139072).

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

1270206208 is an equidigital number, since it uses as much as digits as its factorization.

1270206208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1270206208 is about 35639.9524129873. The cubic root of 1270206208 is about 1082.9907410168.

Adding to 1270206208 its reverse (8026020721), we get a palindrome (9296226929).

The spelling of 1270206208 in words is "one billion, two hundred seventy million, two hundred six thousand, two hundred eight".