1115210432 has 28 divisors (see below), whose sum is σ = 2529138960. Its totient is φ = 477947136.

The previous prime is 1115210431. The next prime is 1115210443. The reversal of 1115210432 is 2340125111.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (1115210431) 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 3 ways as a sum of consecutive naturals, for example, 1244207 + ... + 1245102.

Almost surely, 2^1115210432 is an apocalyptic number.

It is an amenable number.

1115210432 is an abundant number, since it is smaller than the sum of its proper divisors (1413928528).

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

1115210432 is an equidigital number, since it uses as much as digits as its factorization.

1115210432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489328 (or 2489318 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1115210432 is about 33394.7665360907. The cubic root of 1115210432 is about 1037.0163597076.

Adding to 1115210432 its reverse (2340125111), we get a palindrome (3455335543).

The spelling of 1115210432 in words is "one billion, one hundred fifteen million, two hundred ten thousand, four hundred thirty-two".