124411121 has 2 divisors, whose sum is σ = 124411122. Its totient is φ = 124411120.

The previous prime is 124411109. The next prime is 124411123. The reversal of 124411121 is 121114421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110986225 + 13424896 = 10535^2 + 3664^2 .

It is an emirp because it is prime and its reverse (121114421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124411121 - 2¹⁴ = 124394737 is a prime.

It is a Sophie Germain prime.

Together with 124411123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 124411121.

It is not a weakly prime, because it can be changed into another prime (124411123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62205560 + 62205561.

It is an arithmetic number, because the mean of its divisors is an integer number (62205561).

Almost surely, 2^124411121 is an apocalyptic number.

It is an amenable number.

124411121 is a deficient number, since it is larger than the sum of its proper divisors (1).

124411121 is an equidigital number, since it uses as much as digits as its factorization.

124411121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64, while the sum is 17.

The square root of 124411121 is about 11153.9733279222. The cubic root of 124411121 is about 499.2135917727.

Adding to 124411121 its reverse (121114421), we get a palindrome (245525542).

The spelling of 124411121 in words is "one hundred twenty-four million, four hundred eleven thousand, one hundred twenty-one".