1208798481 has 32 divisors (see below), whose sum is σ = 1868783616. Its totient is φ = 686880000.

The previous prime is 1208798477. The next prime is 1208798537. The reversal of 1208798481 is 1848978021.

It is not a de Polignac number, because 1208798481 - 2² = 1208798477 is a prime.

It is a super-2 number, since 2×1208798481² = 2922387535335814722, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1208798481.

It is not an unprimeable number, because it can be changed into a prime (1208791481) 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 31 ways as a sum of consecutive naturals, for example, 148056 + ... + 156006.

It is an arithmetic number, because the mean of its divisors is an integer number (58399488).

Almost surely, 2^1208798481 is an apocalyptic number.

1208798481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1208798481 is a deficient number, since it is larger than the sum of its proper divisors (659985135).

1208798481 is a wasteful number, since it uses less digits than its factorization.

1208798481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8253.

The product of its (nonzero) digits is 258048, while the sum is 48.

The square root of 1208798481 is about 34767.7793510026. The cubic root of 1208798481 is about 1065.2494088446.

The spelling of 1208798481 in words is "one billion, two hundred eight million, seven hundred ninety-eight thousand, four hundred eighty-one".