124226689 has 2 divisors, whose sum is σ = 124226690. Its totient is φ = 124226688.

The previous prime is 124226659. The next prime is 124226737. The reversal of 124226689 is 986622421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71910400 + 52316289 = 8480^2 + 7233^2 .

It is a cyclic number.

It is not a de Polignac number, because 124226689 - 2¹⁹ = 123702401 is a prime.

It is not a weakly prime, because it can be changed into another prime (124226659) 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, 62113344 + 62113345.

It is an arithmetic number, because the mean of its divisors is an integer number (62113345).

Almost surely, 2^124226689 is an apocalyptic number.

It is an amenable number.

124226689 is a deficient number, since it is larger than the sum of its proper divisors (1).

124226689 is an equidigital number, since it uses as much as digits as its factorization.

124226689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 124226689 is about 11145.7027144994. The cubic root of 124226689 is about 498.9667850711.

The spelling of 124226689 in words is "one hundred twenty-four million, two hundred twenty-six thousand, six hundred eighty-nine".