1065671 has 4 divisors (see below), whose sum is σ = 1085832. Its totient is φ = 1045512.

The previous prime is 1065667. The next prime is 1065677. The reversal of 1065671 is 1765601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1765601 = 751 ⋅2351.

It is a cyclic number.

It is not a de Polignac number, because 1065671 - 2² = 1065667 is a prime.

It is a super-2 number, since 2×1065671² = 2271309360482, 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 1065671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10001 + ... + 10106.

It is an arithmetic number, because the mean of its divisors is an integer number (271458).

2^1065671 is an apocalyptic number.

1065671 is a deficient number, since it is larger than the sum of its proper divisors (20161).

1065671 is an equidigital number, since it uses as much as digits as its factorization.

1065671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20160.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1065671 is about 1032.3134213988. The cubic root of 1065671 is about 102.1427898907.

The spelling of 1065671 in words is "one million, sixty-five thousand, six hundred seventy-one".