2141066 has 4 divisors (see below), whose sum is σ = 3211602. Its totient is φ = 1070532.

The previous prime is 2141063. The next prime is 2141071. The reversal of 2141066 is 6601412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1615441 + 525625 = 1271^2 + 725^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2141063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535265 + ... + 535268.

2^2141066 is an apocalyptic number.

2141066 is a deficient number, since it is larger than the sum of its proper divisors (1070536).

2141066 is a wasteful number, since it uses less digits than its factorization.

2141066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070535.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2141066 is about 1463.2381897695. The cubic root of 2141066 is about 128.8872680577.

Adding to 2141066 its reverse (6601412), we get a palindrome (8742478).

The spelling of 2141066 in words is "two million, one hundred forty-one thousand, sixty-six".