1115430112 has 96 divisors (see below), whose sum is σ = 2462503680. Its totient is φ = 494254080.

The previous prime is 1115430109. The next prime is 1115430187. The reversal of 1115430112 is 2110345111.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1115430112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3214323 + ... + 3214669.

It is an arithmetic number, because the mean of its divisors is an integer number (25651080).

Almost surely, 2^1115430112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115430112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231251840).

1115430112 is an abundant number, since it is smaller than the sum of its proper divisors (1347073568).

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

1115430112 is a wasteful number, since it uses less digits than its factorization.

1115430112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1115430112 is about 33398.0555122600. The cubic root of 1115430112 is about 1037.0844475443.

Adding to 1115430112 its reverse (2110345111), we get a palindrome (3225775223).

The spelling of 1115430112 in words is "one billion, one hundred fifteen million, four hundred thirty thousand, one hundred twelve".