1113242500 has 30 divisors (see below), whose sum is σ = 2434444166. Its totient is φ = 445296000.

The previous prime is 1113242461. The next prime is 1113242591. The reversal of 1113242500 is 52423111.

It can be written as a sum of positive squares in 5 ways, for example, as 650046016 + 463196484 = 25496^2 + 21522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 220149 + ... + 225148.

Almost surely, 2^1113242500 is an apocalyptic number.

1113242500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113242500 is an abundant number, since it is smaller than the sum of its proper divisors (1321201666).

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

1113242500 is an equidigital number, since it uses as much as digits as its factorization.

1113242500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445321 (or 445304 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1113242500 is about 33365.2888493416. The cubic root of 1113242500 is about 1036.4060177180.

Adding to 1113242500 its reverse (52423111), we get a palindrome (1165665611).

The spelling of 1113242500 in words is "one billion, one hundred thirteen million, two hundred forty-two thousand, five hundred".