1120728713 has 8 divisors (see below), whose sum is σ = 1210305600. Its totient is φ = 1031632848.

The previous prime is 1120728701. The next prime is 1120728731. The reversal of 1120728713 is 3178270211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120728713 - 2¹⁰ = 1120727689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120728713.

It is not an unprimeable number, because it can be changed into a prime (1120728743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115403 + ... + 124736.

It is an arithmetic number, because the mean of its divisors is an integer number (151288200).

Almost surely, 2^1120728713 is an apocalyptic number.

1120728713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1120728713 is a deficient number, since it is larger than the sum of its proper divisors (89576887).

1120728713 is a wasteful number, since it uses less digits than its factorization.

1120728713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240511.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 1120728713 is about 33477.2865238508. The cubic root of 1120728713 is about 1038.7239999902.

Adding to 1120728713 its reverse (3178270211), we get a palindrome (4298998924).

The spelling of 1120728713 in words is "one billion, one hundred twenty million, seven hundred twenty-eight thousand, seven hundred thirteen".