1047065 has 8 divisors (see below), whose sum is σ = 1277448. Its totient is φ = 823680.

The previous prime is 1047061. The next prime is 1047077. The reversal of 1047065 is 5607401.

It can be written as a sum of positive squares in 4 ways, for example, as 4624 + 1042441 = 68^2 + 1021^2 .

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

It is not a de Polignac number, because 1047065 - 2² = 1047061 is a prime.

It is a super-2 number, since 2×1047065² = 2192690228450, which contains 22 as substring.

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 1047065.

It is not an unprimeable number, because it can be changed into a prime (1047061) 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 7 ways as a sum of consecutive naturals, for example, 1412 + ... + 2021.

It is an arithmetic number, because the mean of its divisors is an integer number (159681).

2^1047065 is an apocalyptic number.

It is an amenable number.

1047065 is a deficient number, since it is larger than the sum of its proper divisors (230383).

1047065 is an equidigital number, since it uses as much as digits as its factorization.

1047065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1047065 is about 1023.2619410493. The cubic root of 1047065 is about 101.5448449785.

The spelling of 1047065 in words is "one million, forty-seven thousand, sixty-five".