1118871936 has 288 divisors, whose sum is σ = 3989297520. Its totient is φ = 294727680.

The previous prime is 1118871931. The next prime is 1118871937. The reversal of 1118871936 is 6391788111.

It is a tau number, because it is divible by the number of its divisors (288).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1118871891 and 1118871900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118871931) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1362406 + ... + 1363226.

Almost surely, 2^1118871936 is an apocalyptic number.

1118871936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118871936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1994648760).

1118871936 is an abundant number, since it is smaller than the sum of its proper divisors (2870425584).

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

1118871936 is a wasteful number, since it uses less digits than its factorization.

1118871936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 846 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 1118871936 is about 33449.5431358935. The cubic root of 1118871936 is about 1038.1500445777.

The spelling of 1118871936 in words is "one billion, one hundred eighteen million, eight hundred seventy-one thousand, nine hundred thirty-six".