124636 has 6 divisors (see below), whose sum is σ = 218120. Its totient is φ = 62316.

The previous prime is 124633. The next prime is 124643. The reversal of 124636 is 636421.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 2³ + 6 + 4⁸ + 3¹⁰ + 6² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15576 + ... + 15583.

2¹²⁴⁶³⁶ is an apocalyptic number.

It is an amenable number.

124636 is a deficient number, since it is larger than the sum of its proper divisors (93484).

124636 is a wasteful number, since it uses less digits than its factorization.

124636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31163 (or 31161 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 124636 is about 353.0382415547. The cubic root of 124636 is about 49.9514194806.

The spelling of 124636 in words is "one hundred twenty-four thousand, six hundred thirty-six".