4124621 has 2 divisors, whose sum is σ = 4124622. Its totient is φ = 4124620.

The previous prime is 4124611. The next prime is 4124623. The reversal of 4124621 is 1264214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4120900 + 3721 = 2030^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 4124621 - 2¹⁸ = 3862477 is a prime.

Together with 4124623, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4124593 and 4124602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4124623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062310 + 2062311.

It is an arithmetic number, because the mean of its divisors is an integer number (2062311).

Almost surely, 2^4124621 is an apocalyptic number.

It is an amenable number.

4124621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4124621 is an equidigital number, since it uses as much as digits as its factorization.

4124621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 20.

The square root of 4124621 is about 2030.9162956656. The cubic root of 4124621 is about 160.3718046099.

Adding to 4124621 its reverse (1264214), we get a palindrome (5388835).

The spelling of 4124621 in words is "four million, one hundred twenty-four thousand, six hundred twenty-one".