124666689 has 8 divisors (see below), whose sum is σ = 189968320. Its totient is φ = 71238096.

The previous prime is 124666681. The next prime is 124666697. The reversal of 124666689 is 986666421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (124666681) and next prime (124666697).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124666689 - 2³ = 124666681 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (124666681) 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 in 7 ways as a sum of consecutive naturals, for example, 2968234 + ... + 2968275.

It is an arithmetic number, because the mean of its divisors is an integer number (23746040).

Almost surely, 2^124666689 is an apocalyptic number.

It is an amenable number.

124666689 is a deficient number, since it is larger than the sum of its proper divisors (65301631).

124666689 is an equidigital number, since it uses as much as digits as its factorization.

124666689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936519.

The product of its digits is 746496, while the sum is 48.

The square root of 124666689 is about 11165.4238164075. The cubic root of 124666689 is about 499.5551897383. Note that the first 3 decimals are identical.

The spelling of 124666689 in words is "one hundred twenty-four million, six hundred sixty-six thousand, six hundred eighty-nine".