1112718859 has 4 divisors (see below), whose sum is σ = 1271678704. Its totient is φ = 953759016.

The previous prime is 1112718857. The next prime is 1112718899. The reversal of 1112718859 is 9588172111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1112718859 - 2¹ = 1112718857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112718853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79479912 + ... + 79479925.

It is an arithmetic number, because the mean of its divisors is an integer number (317919676).

Almost surely, 2^1112718859 is an apocalyptic number.

1112718859 is a deficient number, since it is larger than the sum of its proper divisors (158959845).

1112718859 is an equidigital number, since it uses as much as digits as its factorization.

1112718859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158959844.

The product of its digits is 40320, while the sum is 43.

The square root of 1112718859 is about 33357.4408340928. The cubic root of 1112718859 is about 1036.2434925428.

The spelling of 1112718859 in words is "one billion, one hundred twelve million, seven hundred eighteen thousand, eight hundred fifty-nine".