124268689 has 2 divisors, whose sum is σ = 124268690. Its totient is φ = 124268688.

The previous prime is 124268603. The next prime is 124268707. The reversal of 124268689 is 986862421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101848464 + 22420225 = 10092^2 + 4735^2 .

It is a cyclic number.

It is not a de Polignac number, because 124268689 - 2¹¹ = 124266641 is a prime.

It is not a weakly prime, because it can be changed into another prime (124268489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62134344 + 62134345.

It is an arithmetic number, because the mean of its divisors is an integer number (62134345).

Almost surely, 2^124268689 is an apocalyptic number.

It is an amenable number.

124268689 is a deficient number, since it is larger than the sum of its proper divisors (1).

124268689 is an equidigital number, since it uses as much as digits as its factorization.

124268689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 46.

The square root of 124268689 is about 11147.5866895037. The cubic root of 124268689 is about 499.0230108946.

It can be divided in two parts, 12426 and 8689, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 124268689 in words is "one hundred twenty-four million, two hundred sixty-eight thousand, six hundred eighty-nine".