124392 has 32 divisors (see below), whose sum is σ = 319680. Its totient is φ = 40320.

The previous prime is 124367. The next prime is 124427. The reversal of 124392 is 293421.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 124392.

It is an unprimeable number.

124392 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (9990).

2¹²⁴³⁹² is an apocalyptic number.

124392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124392 is an abundant number, since it is smaller than the sum of its proper divisors (195288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124392 is a wasteful number, since it uses less digits than its factorization.

124392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 149 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 124392 is about 352.6925006291. The cubic root of 124392 is about 49.9188015409.

The spelling of 124392 in words is "one hundred twenty-four thousand, three hundred ninety-two".