1119888432 has 120 divisors (see below), whose sum is σ = 3457778688. Its totient is φ = 336153600.

The previous prime is 1119888397. The next prime is 1119888433. The reversal of 1119888432 is 2348889111.

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

It is not an unprimeable number, because it can be changed into a prime (1119888433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69457 + ... + 84047.

Almost surely, 2^1119888432 is an apocalyptic number.

1119888432 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 1119888432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728889344).

1119888432 is an abundant number, since it is smaller than the sum of its proper divisors (2337890256).

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

1119888432 is a wasteful number, since it uses less digits than its factorization.

1119888432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14659 (or 14650 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 1119888432 is about 33464.7341540315. The cubic root of 1119888432 is about 1038.4643361191.

The spelling of 1119888432 in words is "one billion, one hundred nineteen million, eight hundred eighty-eight thousand, four hundred thirty-two".