1122671 has 4 divisors (see below), whose sum is σ = 1224744. Its totient is φ = 1020600.

The previous prime is 1122659. The next prime is 1122679. The reversal of 1122671 is 1762211.

1122671 is nontrivially palindromic in base 3 and base 9.

1122671 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1762211 = 11 ⋅160201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122671 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 (1122679) 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, 51020 + ... + 51041.

It is an arithmetic number, because the mean of its divisors is an integer number (306186).

2^1122671 is an apocalyptic number.

1122671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122671 is a deficient number, since it is larger than the sum of its proper divisors (102073).

1122671 is a wasteful number, since it uses less digits than its factorization.

1122671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102072.

The product of its digits is 168, while the sum is 20.

The square root of 1122671 is about 1059.5617018371. The cubic root of 1122671 is about 103.9323709726.

Adding to 1122671 its reverse (1762211), we get a palindrome (2884882).

The spelling of 1122671 in words is "one million, one hundred twenty-two thousand, six hundred seventy-one".