1120424665 has 8 divisors (see below), whose sum is σ = 1350089928. Its totient is φ = 892619520.

The previous prime is 1120424647. The next prime is 1120424743. The reversal of 1120424665 is 5664240211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 146797456 + 973627209 = 12116^2 + 31203^2 .

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

It is not a de Polignac number, because 1120424665 - 2⁵ = 1120424633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 463702 + ... + 466111.

It is an arithmetic number, because the mean of its divisors is an integer number (168761241).

Almost surely, 2^1120424665 is an apocalyptic number.

It is an amenable number.

1120424665 is a deficient number, since it is larger than the sum of its proper divisors (229665263).

1120424665 is an equidigital number, since it uses as much as digits as its factorization.

1120424665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930059.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1120424665 is about 33472.7451070270. The cubic root of 1120424665 is about 1038.6300579816.

Adding to 1120424665 its reverse (5664240211), we get a palindrome (6784664876).

The spelling of 1120424665 in words is "one billion, one hundred twenty million, four hundred twenty-four thousand, six hundred sixty-five".