124664 has 8 divisors (see below), whose sum is σ = 233760. Its totient is φ = 62328.

The previous prime is 124643. The next prime is 124669. The reversal of 124664 is 466421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×124664² = 31082225792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124669) 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, 7784 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (29220).

2¹²⁴⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

124664 is a deficient number, since it is larger than the sum of its proper divisors (109096).

124664 is a wasteful number, since it uses less digits than its factorization.

124664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15589 (or 15585 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 124664 is about 353.0778950883. The cubic root of 124664 is about 49.9551597991.

The spelling of 124664 in words is "one hundred twenty-four thousand, six hundred sixty-four".