2141056 has 32 divisors (see below), whose sum is σ = 4375800. Its totient is φ = 1042944.

The previous prime is 2141033. The next prime is 2141057. The reversal of 2141056 is 6501412.

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141057) 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 3 ways as a sum of consecutive naturals, for example, 5310 + ... + 5698.

2^2141056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2187900).

2141056 is an abundant number, since it is smaller than the sum of its proper divisors (2234744).

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

2141056 is an equidigital number, since it uses as much as digits as its factorization.

2141056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2141056 is about 1463.2347726869. The cubic root of 2141056 is about 128.8870673984.

Adding to 2141056 its reverse (6501412), we get a palindrome (8642468).

The spelling of 2141056 in words is "two million, one hundred forty-one thousand, fifty-six".