2123141 has 2 divisors, whose sum is σ = 2123142. Its totient is φ = 2123140.

The previous prime is 2123137. The next prime is 2123161. The reversal of 2123141 is 1413212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2114116 + 9025 = 1454^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123141 - 2² = 2123137 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061570 + 1061571.

It is an arithmetic number, because the mean of its divisors is an integer number (1061571).

2^2123141 is an apocalyptic number.

It is an amenable number.

2123141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123141 is an equidigital number, since it uses as much as digits as its factorization.

2123141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 14.

The square root of 2123141 is about 1457.1002024569. The cubic root of 2123141 is about 128.5265783012.

Adding to 2123141 its reverse (1413212), we get a palindrome (3536353).

The spelling of 2123141 in words is "two million, one hundred twenty-three thousand, one hundred forty-one".