1208845218 has 32 divisors (see below), whose sum is σ = 2809912320. Its totient is φ = 339529680.

The previous prime is 1208845213. The next prime is 1208845229. The reversal of 1208845218 is 8125488021.

It is a super-2 number, since 2×1208845218² = 2922613522162935048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1208845213) 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, 241438 + ... + 246393.

It is an arithmetic number, because the mean of its divisors is an integer number (87809760).

Almost surely, 2^1208845218 is an apocalyptic number.

1208845218 is an abundant number, since it is smaller than the sum of its proper divisors (1601067102).

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

1208845218 is a wasteful number, since it uses less digits than its factorization.

1208845218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487902.

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 1208845218 is about 34768.4514754396. The cubic root of 1208845218 is about 1065.2631376066.

The spelling of 1208845218 in words is "one billion, two hundred eight million, eight hundred forty-five thousand, two hundred eighteen".