2106055 has 16 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 1367712.

The previous prime is 2106029. The next prime is 2106059. The reversal of 2106055 is 5506012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2106055 - 2⁷ = 2105927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (190080).

2^2106055 is an apocalyptic number.

2106055 is a deficient number, since it is larger than the sum of its proper divisors (935225).

2106055 is a wasteful number, since it uses less digits than its factorization.

2106055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2106055 is about 1451.2253443211. The cubic root of 2106055 is about 128.1808762828.

It can be divided in two parts, 21060 and 55, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 2106055 in words is "two million, one hundred six thousand, fifty-five".