1002671 has 4 divisors (see below), whose sum is σ = 1006152. Its totient is φ = 999192.

The previous prime is 1002653. The next prime is 1002679. The reversal of 1002671 is 1762001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1762001 = 73 ⋅24137.

It is a cyclic number.

It is not a de Polignac number, because 1002671 - 2¹⁴ = 986287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002679) 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 3 ways as a sum of consecutive naturals, for example, 1265 + ... + 1898.

It is an arithmetic number, because the mean of its divisors is an integer number (251538).

2^1002671 is an apocalyptic number.

1002671 is a deficient number, since it is larger than the sum of its proper divisors (3481).

1002671 is an equidigital number, since it uses as much as digits as its factorization.

1002671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1002671 is about 1001.3346094089. The cubic root of 1002671 is about 100.0889541814.

Adding to 1002671 its reverse (1762001), we get a palindrome (2764672).

The spelling of 1002671 in words is "one million, two thousand, six hundred seventy-one".