1121086208 has 36 divisors (see below), whose sum is σ = 2441235048. Its totient is φ = 509583360.

The previous prime is 1121086193. The next prime is 1121086249. The reversal of 1121086208 is 8026801211.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 196241 + ... + 201872.

Almost surely, 2^1121086208 is an apocalyptic number.

It is an amenable number.

1121086208 is an abundant number, since it is smaller than the sum of its proper divisors (1320148840).

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

1121086208 is an equidigital number, since it uses as much as digits as its factorization.

1121086208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398140 (or 398126 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1121086208 is about 33482.6254645600. The cubic root of 1121086208 is about 1038.8344338402.

Adding to 1121086208 its reverse (8026801211), we get a palindrome (9147887419).

The spelling of 1121086208 in words is "one billion, one hundred twenty-one million, eighty-six thousand, two hundred eight".