1118372832 has 120 divisors (see below), whose sum is σ = 3462366600. Its totient is φ = 353154816.

The previous prime is 1118372821. The next prime is 1118372839. The reversal of 1118372832 is 2382738111.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118372839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37894 + ... + 60602.

It is an arithmetic number, because the mean of its divisors is an integer number (28853055).

Almost surely, 2^1118372832 is an apocalyptic number.

1118372832 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 1118372832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731183300).

1118372832 is an abundant number, since it is smaller than the sum of its proper divisors (2343993768).

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

1118372832 is a wasteful number, since it uses less digits than its factorization.

1118372832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22750 (or 22733 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 1118372832 is about 33442.0817533837. The cubic root of 1118372832 is about 1037.9956563686.

The spelling of 1118372832 in words is "one billion, one hundred eighteen million, three hundred seventy-two thousand, eight hundred thirty-two".