124403 has 4 divisors (see below), whose sum is σ = 128448. Its totient is φ = 120360.

The previous prime is 124367. The next prime is 124427. The reversal of 124403 is 304421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304421 = 13 ⋅23417.

It is a cyclic number.

It is not a de Polignac number, because 124403 - 2⁶ = 124339 is a prime.

It is a super-2 number, since 2×124403² = 30952212818, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (124433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1976 + ... + 2037.

It is an arithmetic number, because the mean of its divisors is an integer number (32112).

2¹²⁴⁴⁰³ is an apocalyptic number.

124403 is a deficient number, since it is larger than the sum of its proper divisors (4045).

124403 is an equidigital number, since it uses as much as digits as its factorization.

124403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 124403 is about 352.7080946052. The cubic root of 124403 is about 49.9202729395.

Adding to 124403 its reverse (304421), we get a palindrome (428824).

The spelling of 124403 in words is "one hundred twenty-four thousand, four hundred three", and thus it is an iban number.