1112120009 has 32 divisors (see below), whose sum is σ = 1541406720. Its totient is φ = 774100800.

The previous prime is 1112119993. The next prime is 1112120029. The reversal of 1112120009 is 9000212111.

It is not a de Polignac number, because 1112120009 - 2⁴ = 1112119993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1112120029) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 13112 + ... + 48950.

It is an arithmetic number, because the mean of its divisors is an integer number (48168960).

Almost surely, 2^1112120009 is an apocalyptic number.

It is an amenable number.

1112120009 is a deficient number, since it is larger than the sum of its proper divisors (429286711).

1112120009 is a wasteful number, since it uses less digits than its factorization.

1112120009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35901.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1112120009 is about 33348.4633678975. The cubic root of 1112120009 is about 1036.0575618475.

It can be divided in two parts, 1112 and 120009, that added together give a palindrome (121121).

The spelling of 1112120009 in words is "one billion, one hundred twelve million, one hundred twenty thousand, nine".