2106054 has 32 divisors (see below), whose sum is σ = 4794240. Its totient is φ = 684936.

The previous prime is 2106029. The next prime is 2106059. The reversal of 2106054 is 4506012.

Added to its reverse (4506012) it gives a triangular number (6612066 = T₃₆₃₆).

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1869 + ... + 2775.

It is an arithmetic number, because the mean of its divisors is an integer number (149820).

2^2106054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2106054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2397120).

2106054 is an abundant number, since it is smaller than the sum of its proper divisors (2688186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2106054 is a wasteful number, since it uses less digits than its factorization.

2106054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2106054 is about 1451.2249997847. The cubic root of 2106054 is about 128.1808559951.

Adding to 2106054 its reverse (4506012), we get a triangular number (6612066 = T₃₆₃₆).

The spelling of 2106054 in words is "two million, one hundred six thousand, fifty-four".