1208455798 has 12 divisors (see below), whose sum is σ = 1992454380. Its totient is φ = 549297980.

The previous prime is 1208455793. The next prime is 1208455813. The reversal of 1208455798 is 8975548021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208455793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2496568 + ... + 2497051.

It is an arithmetic number, because the mean of its divisors is an integer number (166037865).

Almost surely, 2^1208455798 is an apocalyptic number.

1208455798 is a deficient number, since it is larger than the sum of its proper divisors (783998582).

1208455798 is a wasteful number, since it uses less digits than its factorization.

1208455798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993643 (or 4993632 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 49.

The square root of 1208455798 is about 34762.8508324619. The cubic root of 1208455798 is about 1065.1487366014.

The spelling of 1208455798 in words is "one billion, two hundred eight million, four hundred fifty-five thousand, seven hundred ninety-eight".