1208828866 has 32 divisors (see below), whose sum is σ = 2154983040. Its totient is φ = 497581056.

The previous prime is 1208828851. The next prime is 1208828869. The reversal of 1208828866 is 6688288021.

It is a super-2 number, since 2×1208828866² = 2922534454549691912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1208828869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70645 + ... + 86071.

It is an arithmetic number, because the mean of its divisors is an integer number (67343220).

Almost surely, 2^1208828866 is an apocalyptic number.

1208828866 is a deficient number, since it is larger than the sum of its proper divisors (946154174).

1208828866 is a wasteful number, since it uses less digits than its factorization.

1208828866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15658.

The product of its (nonzero) digits is 589824, while the sum is 49.

The square root of 1208828866 is about 34768.2163189313. The cubic root of 1208828866 is about 1065.2583343279.

The spelling of 1208828866 in words is "one billion, two hundred eight million, eight hundred twenty-eight thousand, eight hundred sixty-six".