1208104885 has 8 divisors (see below), whose sum is σ = 1561243320. Its totient is φ = 892138944.

The previous prime is 1208104867. The next prime is 1208104903. The reversal of 1208104885 is 5884018021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1208104867) and next prime (1208104903).

It can be written as a sum of positive squares in 4 ways, for example, as 4986289 + 1203118596 = 2233^2 + 34686^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1208104885 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9293050 + ... + 9293179.

It is an arithmetic number, because the mean of its divisors is an integer number (195155415).

Almost surely, 2^1208104885 is an apocalyptic number.

It is an amenable number.

1208104885 is a deficient number, since it is larger than the sum of its proper divisors (353138435).

1208104885 is a wasteful number, since it uses less digits than its factorization.

1208104885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18586247.

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 1208104885 is about 34757.8032245998. The cubic root of 1208104885 is about 1065.0456268520.

The spelling of 1208104885 in words is "one billion, two hundred eight million, one hundred four thousand, eight hundred eighty-five".