124633121 has 2 divisors, whose sum is σ = 124633122. Its totient is φ = 124633120.

The previous prime is 124633087. The next prime is 124633123. The reversal of 124633121 is 121336421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89397025 + 35236096 = 9455^2 + 5936^2 .

It is an emirp because it is prime and its reverse (121336421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124633121 is a prime.

It is a Sophie Germain prime.

Together with 124633123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (124633123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62316560 + 62316561.

It is an arithmetic number, because the mean of its divisors is an integer number (62316561).

Almost surely, 2^124633121 is an apocalyptic number.

It is an amenable number.

124633121 is a deficient number, since it is larger than the sum of its proper divisors (1).

124633121 is an equidigital number, since it uses as much as digits as its factorization.

124633121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 124633121 is about 11163.9205031208. The cubic root of 124633121 is about 499.5103486396.

Adding to 124633121 its reverse (121336421), we get a palindrome (245969542).

The spelling of 124633121 in words is "one hundred twenty-four million, six hundred thirty-three thousand, one hundred twenty-one".