1118029388 has 48 divisors (see below), whose sum is σ = 2368369920. Its totient is φ = 451116864.

The previous prime is 1118029351. The next prime is 1118029391. The reversal of 1118029388 is 8839208111.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 80270 + ... + 93162.

It is an arithmetic number, because the mean of its divisors is an integer number (49341040).

Almost surely, 2^1118029388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118029388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1184184960).

1118029388 is an abundant number, since it is smaller than the sum of its proper divisors (1250340532).

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

1118029388 is a wasteful number, since it uses less digits than its factorization.

1118029388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13086 (or 13084 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 1118029388 is about 33436.9464514928. The cubic root of 1118029388 is about 1037.8893919016.

The spelling of 1118029388 in words is "one billion, one hundred eighteen million, twenty-nine thousand, three hundred eighty-eight".