2121341 has 2 divisors, whose sum is σ = 2121342. Its totient is φ = 2121340.

The previous prime is 2121337. The next prime is 2121367. The reversal of 2121341 is 1431212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2114116 + 7225 = 1454^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121341 - 2² = 2121337 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 (2121241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060670 + 1060671.

It is an arithmetic number, because the mean of its divisors is an integer number (1060671).

2^2121341 is an apocalyptic number.

It is an amenable number.

2121341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121341 is an equidigital number, since it uses as much as digits as its factorization.

2121341 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 2121341 is about 1456.4824063476. The cubic root of 2121341 is about 128.4902463994.

Adding to 2121341 its reverse (1431212), we get a palindrome (3552553).

The spelling of 2121341 in words is "two million, one hundred twenty-one thousand, three hundred forty-one".