124717389 has 16 divisors (see below), whose sum is σ = 176344128. Its totient is φ = 78132992.

The previous prime is 124717363. The next prime is 124717421. The reversal of 124717389 is 983717421.

It is a cyclic number.

It is not a de Polignac number, because 124717389 - 2⁸ = 124717133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124717389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124717319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40699 + ... + 43655.

It is an arithmetic number, because the mean of its divisors is an integer number (11021508).

Almost surely, 2^124717389 is an apocalyptic number.

It is an amenable number.

124717389 is a deficient number, since it is larger than the sum of its proper divisors (51626739).

124717389 is a wasteful number, since it uses less digits than its factorization.

124717389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804.

The product of its digits is 84672, while the sum is 42.

The square root of 124717389 is about 11167.6939875697. The cubic root of 124717389 is about 499.6229009975.

The spelling of 124717389 in words is "one hundred twenty-four million, seven hundred seventeen thousand, three hundred eighty-nine".