1115012304 has 240 divisors, whose sum is σ = 3773008512. Its totient is φ = 312159744.

The previous prime is 1115012299. The next prime is 1115012333. The reversal of 1115012304 is 4032105111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1442062 + ... + 1442834.

Almost surely, 2^1115012304 is an apocalyptic number.

1115012304 is a gapful number since it is divisible by the number (14) 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 1115012304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886504256).

1115012304 is an abundant number, since it is smaller than the sum of its proper divisors (2657996208).

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

1115012304 is an equidigital number, since it uses as much as digits as its factorization.

1115012304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1115012304 is about 33391.7999514851. The cubic root of 1115012304 is about 1036.9549440501.

Adding to 1115012304 its reverse (4032105111), we get a palindrome (5147117415).

The spelling of 1115012304 in words is "one billion, one hundred fifteen million, twelve thousand, three hundred four".