1047224065 has 4 divisors (see below), whose sum is σ = 1256668884. Its totient is φ = 837779248.

The previous prime is 1047224047. The next prime is 1047224077. The reversal of 1047224065 is 5604227401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5604227401 = 26641 ⋅210361.

It can be written as a sum of positive squares in 2 ways, for example, as 430645504 + 616578561 = 20752^2 + 24831^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047224065 - 2⁵ = 1047224033 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104722402 + ... + 104722411.

It is an arithmetic number, because the mean of its divisors is an integer number (314167221).

Almost surely, 2^1047224065 is an apocalyptic number.

It is an amenable number.

1047224065 is a deficient number, since it is larger than the sum of its proper divisors (209444819).

1047224065 is an equidigital number, since it uses as much as digits as its factorization.

1047224065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209444818.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1047224065 is about 32360.8415372654. The cubic root of 1047224065 is about 1015.4998678371.

The spelling of 1047224065 in words is "one billion, forty-seven million, two hundred twenty-four thousand, sixty-five".