124005663 has 6 divisors (see below), whose sum is σ = 179119304. Its totient is φ = 82670436.

The previous prime is 124005649. The next prime is 124005691. The reversal of 124005663 is 366500421.

It is not a de Polignac number, because 124005663 - 2⁸ = 124005407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124005613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6889195 + ... + 6889212.

Almost surely, 2^124005663 is an apocalyptic number.

124005663 is a deficient number, since it is larger than the sum of its proper divisors (55113641).

124005663 is a wasteful number, since it uses less digits than its factorization.

124005663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13778413 (or 13778410 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 124005663 is about 11135.7829989633. The cubic root of 124005663 is about 498.6706863156.

The spelling of 124005663 in words is "one hundred twenty-four million, five thousand, six hundred sixty-three".