1011200008 has 64 divisors (see below), whose sum is σ = 2347632000. Its totient is φ = 399986496.

The previous prime is 1011199957. The next prime is 1011200011. The reversal of 1011200008 is 8000021101.

It is a Harshad number since it is a multiple of its sum of digits (13).

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 15 ways as a sum of consecutive naturals, for example, 118923 + ... + 127141.

It is an arithmetic number, because the mean of its divisors is an integer number (36681750).

Almost surely, 2^1011200008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011200008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173816000).

1011200008 is an abundant number, since it is smaller than the sum of its proper divisors (1336431992).

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

1011200008 is an equidigital number, since it uses as much as digits as its factorization.

1011200008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271 (or 8241 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1011200008 is about 31799.3711887515. The cubic root of 1011200008 is about 1003.7194842842.

Adding to 1011200008 its reverse (8000021101), we get a palindrome (9011221109).

The spelling of 1011200008 in words is "one billion, eleven million, two hundred thousand, eight".