1042165 has 4 divisors (see below), whose sum is σ = 1250604. Its totient is φ = 833728.

The previous prime is 1042141. The next prime is 1042183. The reversal of 1042165 is 5612401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5612401 = 2207 ⋅2543.

It can be written as a sum of positive squares in 2 ways, for example, as 133956 + 908209 = 366^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042165 - 2⁵ = 1042133 is a prime.

It is a super-2 number, since 2×1042165² = 2172215774450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104212 + ... + 104221.

It is an arithmetic number, because the mean of its divisors is an integer number (312651).

2^1042165 is an apocalyptic number.

It is an amenable number.

1042165 is a deficient number, since it is larger than the sum of its proper divisors (208439).

1042165 is an equidigital number, since it uses as much as digits as its factorization.

1042165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208438.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1042165 is about 1020.8648294461. The cubic root of 1042165 is about 101.3861958237.

Adding to 1042165 its reverse (5612401), we get a palindrome (6654566).

The spelling of 1042165 in words is "one million, forty-two thousand, one hundred sixty-five".