1116603240 has 128 divisors (see below), whose sum is σ = 3517776000. Its totient is φ = 283143168.

The previous prime is 1116603221. The next prime is 1116603251. The reversal of 1116603240 is 423066111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1116603240.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 230766 + ... + 235554.

It is an arithmetic number, because the mean of its divisors is an integer number (27482625).

Almost surely, 2^1116603240 is an apocalyptic number.

1116603240 is a gapful number since it is divisible by the number (10) 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 1116603240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1758888000).

1116603240 is an abundant number, since it is smaller than the sum of its proper divisors (2401172760).

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

1116603240 is a wasteful number, since it uses less digits than its factorization.

1116603240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899 (or 4895 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1116603240 is about 33415.6137157467. The cubic root of 1116603240 is about 1037.4478967399.

Adding to 1116603240 its reverse (423066111), we get a palindrome (1539669351).

The spelling of 1116603240 in words is "one billion, one hundred sixteen million, six hundred three thousand, two hundred forty".