124912 has 20 divisors (see below), whose sum is σ = 249736. Its totient is φ = 60480.

The previous prime is 124909. The next prime is 124919. The reversal of 124912 is 219421.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 124912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124919) 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 in 3 ways as a sum of consecutive naturals, for example, 487 + ... + 697.

2¹²⁴⁹¹² is an apocalyptic number.

It is an amenable number.

124912 is a deficient number, since it is larger than the sum of its proper divisors (124824).

124912 is a wasteful number, since it uses less digits than its factorization.

124912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 250 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 124912 is about 353.4289178887. The cubic root of 124912 is about 49.9882639122.

The spelling of 124912 in words is "one hundred twenty-four thousand, nine hundred twelve".