124530169 has 2 divisors, whose sum is σ = 124530170. Its totient is φ = 124530168.

The previous prime is 124530167. The next prime is 124530173. The reversal of 124530169 is 961035421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93315600 + 31214569 = 9660^2 + 5587^2 .

It is an emirp because it is prime and its reverse (961035421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124530169 - 2¹ = 124530167 is a prime.

It is a super-2 number, since 2×124530169² = 31015525982337122, which contains 22 as substring.

Together with 124530167, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124530169.

It is not a weakly prime, because it can be changed into another prime (124530163) 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, 62265084 + 62265085.

It is an arithmetic number, because the mean of its divisors is an integer number (62265085).

Almost surely, 2^124530169 is an apocalyptic number.

It is an amenable number.

124530169 is a deficient number, since it is larger than the sum of its proper divisors (1).

124530169 is an equidigital number, since it uses as much as digits as its factorization.

124530169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 124530169 is about 11159.3086255377. The cubic root of 124530169 is about 499.3727721662.

The spelling of 124530169 in words is "one hundred twenty-four million, five hundred thirty thousand, one hundred sixty-nine".