1118503932 has 384 divisors, whose sum is σ = 3660840960. Its totient is φ = 257541120.

The previous prime is 1118503909. The next prime is 1118503937. The reversal of 1118503932 is 2393058111.

It is a junction number, because it is equal to n+sod(n) for n = 1118503893 and 1118503902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118503937) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23797933 + ... + 23797979.

It is an arithmetic number, because the mean of its divisors is an integer number (9533440).

Almost surely, 2^1118503932 is an apocalyptic number.

1118503932 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 1118503932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1830420480).

1118503932 is an abundant number, since it is smaller than the sum of its proper divisors (2542337028).

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

1118503932 is a wasteful number, since it uses less digits than its factorization.

1118503932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1118503932 is about 33444.0418011938. The cubic root of 1118503932 is about 1038.0362140758.

The spelling of 1118503932 in words is "one billion, one hundred eighteen million, five hundred three thousand, nine hundred thirty-two".