1118912832 has 224 divisors, whose sum is σ = 3511296000. Its totient is φ = 348581376.

The previous prime is 1118912777. The next prime is 1118912849. The reversal of 1118912832 is 2382198111.

It is a happy number.

It is a super-2 number, since 2×1118912832² = 2503931851228520448, which contains 22 as substring.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1867669 + ... + 1868267.

Almost surely, 2^1118912832 is an apocalyptic number.

1118912832 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 1118912832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755648000).

1118912832 is an abundant number, since it is smaller than the sum of its proper divisors (2392383168).

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

1118912832 is a wasteful number, since it uses less digits than its factorization.

1118912832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 674 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 1118912832 is about 33450.1544391054. The cubic root of 1118912832 is about 1038.1626929323.

The spelling of 1118912832 in words is "one billion, one hundred eighteen million, nine hundred twelve thousand, eight hundred thirty-two".