1022671 has 8 divisors (see below), whose sum is σ = 1114064. Its totient is φ = 933120.

The previous prime is 1022653. The next prime is 1022677. The reversal of 1022671 is 1762201.

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

It is a 8-Lehmer number, since φ(1022671) divides (1022671-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 1022671 - 2⁵ = 1022639 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 (1022677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856 + ... + 1666.

It is an arithmetic number, because the mean of its divisors is an integer number (139258).

2^1022671 is an apocalyptic number.

1022671 is a deficient number, since it is larger than the sum of its proper divisors (91393).

1022671 is an equidigital number, since it uses as much as digits as its factorization.

1022671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1022671 is about 1011.2719713312. The cubic root of 1022671 is about 100.7500600336.

Adding to 1022671 its reverse (1762201), we get a palindrome (2784872).

The spelling of 1022671 in words is "one million, twenty-two thousand, six hundred seventy-one".