2171055 has 8 divisors (see below), whose sum is σ = 3473712. Its totient is φ = 1157888.

The previous prime is 2171021. The next prime is 2171077. The reversal of 2171055 is 5501712.

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

It is a cyclic number.

It is not a de Polignac number, because 2171055 - 2¹¹ = 2169007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72354 + ... + 72383.

It is an arithmetic number, because the mean of its divisors is an integer number (434214).

2^2171055 is an apocalyptic number.

2171055 is a deficient number, since it is larger than the sum of its proper divisors (1302657).

2171055 is a wasteful number, since it uses less digits than its factorization.

2171055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144745.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 2171055 is about 1473.4500330856. The cubic root of 2171055 is about 129.4862365679.

Adding to 2171055 its reverse (5501712), we get a palindrome (7672767).

The spelling of 2171055 in words is "two million, one hundred seventy-one thousand, fifty-five".