1113247489 has 4 divisors (see below), whose sum is σ = 1113352660. Its totient is φ = 1113142320.

The previous prime is 1113247481. The next prime is 1113247501. The reversal of 1113247489 is 9847423111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 689587600 + 423659889 = 26260^2 + 20583^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113247489 - 2³ = 1113247481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113247481) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34674 + ... + 58555.

It is an arithmetic number, because the mean of its divisors is an integer number (278338165).

Almost surely, 2^1113247489 is an apocalyptic number.

It is an amenable number.

1113247489 is a deficient number, since it is larger than the sum of its proper divisors (105171).

1113247489 is an equidigital number, since it uses as much as digits as its factorization.

1113247489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105170.

The product of its digits is 48384, while the sum is 40.

The square root of 1113247489 is about 33365.3636125848. The cubic root of 1113247489 is about 1036.4075659347.

The spelling of 1113247489 in words is "one billion, one hundred thirteen million, two hundred forty-seven thousand, four hundred eighty-nine".