124243666 has 8 divisors (see below), whose sum is σ = 186424560. Its totient is φ = 62102148.

The previous prime is 124243663. The next prime is 124243699. The reversal of 124243666 is 666342421.

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

It is a super-2 number, since 2×124243666² = 30872977082239112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124243663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25 + ... + 15763.

It is an arithmetic number, because the mean of its divisors is an integer number (23303070).

Almost surely, 2^124243666 is an apocalyptic number.

124243666 is a deficient number, since it is larger than the sum of its proper divisors (62180894).

124243666 is a wasteful number, since it uses less digits than its factorization.

124243666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19688.

The product of its digits is 41472, while the sum is 34.

The square root of 124243666 is about 11146.4642824530. The cubic root of 124243666 is about 498.9895138780.

The spelling of 124243666 in words is "one hundred twenty-four million, two hundred forty-three thousand, six hundred sixty-six".