1208859198 has 32 divisors (see below), whose sum is σ = 2498675712. Its totient is φ = 389896920.

The previous prime is 1208859163. The next prime is 1208859199. The reversal of 1208859198 is 8919588021.

It is a super-2 number, since 2×1208859198² = 2922681121178406408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1208859198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208859199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175365 + ... + 182127.

It is an arithmetic number, because the mean of its divisors is an integer number (78083616).

Almost surely, 2^1208859198 is an apocalyptic number.

1208859198 is an abundant number, since it is smaller than the sum of its proper divisors (1289816514).

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

1208859198 is an frugal number, since it uses more digits than its factorization.

1208859198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861 (or 6799 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 51.

The square root of 1208859198 is about 34768.6525191875. The cubic root of 1208859198 is about 1065.2672440935.

The spelling of 1208859198 in words is "one billion, two hundred eight million, eight hundred fifty-nine thousand, one hundred ninety-eight".