124125247 has 2 divisors, whose sum is σ = 124125248. Its totient is φ = 124125246.

The previous prime is 124125241. The next prime is 124125293. The reversal of 124125247 is 742521421.

It is a weak prime.

It is an emirp because it is prime and its reverse (742521421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124125247 - 2¹⁹ = 123600959 is a prime.

It is a super-2 number, since 2×124125247² = 30814153885622018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124125241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62062623 + 62062624.

It is an arithmetic number, because the mean of its divisors is an integer number (62062624).

Almost surely, 2^124125247 is an apocalyptic number.

124125247 is a deficient number, since it is larger than the sum of its proper divisors (1).

124125247 is an equidigital number, since it uses as much as digits as its factorization.

124125247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 28.

The square root of 124125247 is about 11141.1510626147. The cubic root of 124125247 is about 498.8309313541.

Adding to 124125247 its reverse (742521421), we get a palindrome (866646668).

The spelling of 124125247 in words is "one hundred twenty-four million, one hundred twenty-five thousand, two hundred forty-seven".