1120000008 has 64 divisors (see below), whose sum is σ = 2874009600. Its totient is φ = 363594560.

The previous prime is 1119999983. The next prime is 1120000031. The reversal of 1120000008 is 8000000211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1119999948 and 1120000002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137473 + ... + 145391.

It is an arithmetic number, because the mean of its divisors is an integer number (44906400).

Almost surely, 2^1120000008 is an apocalyptic number.

It is an amenable number.

1120000008 is an abundant number, since it is smaller than the sum of its proper divisors (1754009592).

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

1120000008 is a wasteful number, since it uses less digits than its factorization.

1120000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082 (or 8078 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1120000008 is about 33466.4011808859. The cubic root of 1120000008 is about 1038.4988228428.

Adding to 1120000008 its reverse (8000000211), we get a palindrome (9120000219).

The spelling of 1120000008 in words is "one billion, one hundred twenty million, eight", and thus it is an aban number.