2181062 has 16 divisors (see below), whose sum is σ = 3553200. Its totient is φ = 998112.

The previous prime is 2181031. The next prime is 2181071. The reversal of 2181062 is 2601812.

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, 3593 + ... + 4155.

It is an arithmetic number, because the mean of its divisors is an integer number (222075).

2^2181062 is an apocalyptic number.

2181062 is a deficient number, since it is larger than the sum of its proper divisors (1372138).

2181062 is a wasteful number, since it uses less digits than its factorization.

2181062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2181062 is about 1476.8419008140. The cubic root of 2181062 is about 129.6848777812.

Adding to 2181062 its reverse (2601812), we get a palindrome (4782874).

The spelling of 2181062 in words is "two million, one hundred eighty-one thousand, sixty-two".