1072771208 has 16 divisors (see below), whose sum is σ = 2039001180. Its totient is φ = 529037568.

The previous prime is 1072771187. The next prime is 1072771211. The reversal of 1072771208 is 8021772701.

1072771208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1067851684 + 4919524 = 32678^2 + 2218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917885 + ... + 919052.

Almost surely, 2^1072771208 is an apocalyptic number.

It is an amenable number.

1072771208 is a deficient number, since it is larger than the sum of its proper divisors (966229972).

1072771208 is a wasteful number, since it uses less digits than its factorization.

1072771208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837016 (or 1837012 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 35.

The square root of 1072771208 is about 32753.1862266864. The cubic root of 1072771208 is about 1023.6913564644.

The spelling of 1072771208 in words is "one billion, seventy-two million, seven hundred seventy-one thousand, two hundred eight".