124399 has 8 divisors (see below), whose sum is σ = 139392. Its totient is φ = 110040.

The previous prime is 124367. The next prime is 124427. The reversal of 124399 is 993421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124399 - 2⁵ = 124367 is a prime.

It is a super-2 number, since 2×124399² = 30950222402, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 14.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342 + ... + 604.

It is an arithmetic number, because the mean of its divisors is an integer number (17424).

2¹²⁴³⁹⁹ is an apocalyptic number.

124399 is a deficient number, since it is larger than the sum of its proper divisors (14993).

124399 is a wasteful number, since it uses less digits than its factorization.

124399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317.

The product of its digits is 1944, while the sum is 28.

The square root of 124399 is about 352.7024241482. The cubic root of 124399 is about 49.9197378955.

The spelling of 124399 in words is "one hundred twenty-four thousand, three hundred ninety-nine".