1118758872 has 128 divisors (see below), whose sum is σ = 3535234560. Its totient is φ = 286571520.

The previous prime is 1118758871. The next prime is 1118758913. The reversal of 1118758872 is 2788578111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118758871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130758 + ... + 139050.

It is an arithmetic number, because the mean of its divisors is an integer number (27619020).

Almost surely, 2^1118758872 is an apocalyptic number.

1118758872 is a gapful number since it is divisible by the number (12) 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 1118758872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1767617280).

1118758872 is an abundant number, since it is smaller than the sum of its proper divisors (2416475688).

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

1118758872 is a wasteful number, since it uses less digits than its factorization.

1118758872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8393 (or 8389 counting only the distinct ones).

The product of its digits is 250880, while the sum is 48.

The square root of 1118758872 is about 33447.8530252691. The cubic root of 1118758872 is about 1038.1150744300.

The spelling of 1118758872 in words is "one billion, one hundred eighteen million, seven hundred fifty-eight thousand, eight hundred seventy-two".