2171126 has 8 divisors (see below), whose sum is σ = 3269280. Its totient is φ = 1081368.

The previous prime is 2171119. The next prime is 2171159. The reversal of 2171126 is 6211712.

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

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2171098 and 2171107.

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, 1406 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (408660).

2^2171126 is an apocalyptic number.

2171126 is a deficient number, since it is larger than the sum of its proper divisors (1098154).

2171126 is a wasteful number, since it uses less digits than its factorization.

2171126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4198.

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

The square root of 2171126 is about 1473.4741260029. The cubic root of 2171126 is about 129.4876480817.

Adding to 2171126 its reverse (6211712), we get a palindrome (8382838).

The spelling of 2171126 in words is "two million, one hundred seventy-one thousand, one hundred twenty-six".