124020103 has 4 divisors (see below), whose sum is σ = 124608088. Its totient is φ = 123432120.

The previous prime is 124020101. The next prime is 124020133. The reversal of 124020103 is 301020421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124020103 - 2¹ = 124020101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124020101) 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, 293676 + ... + 294097.

It is an arithmetic number, because the mean of its divisors is an integer number (31152022).

Almost surely, 2^124020103 is an apocalyptic number.

124020103 is a deficient number, since it is larger than the sum of its proper divisors (587985).

124020103 is an equidigital number, since it uses as much as digits as its factorization.

124020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587984.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 124020103 is about 11136.4313404250. The cubic root of 124020103 is about 498.6900416822.

Adding to 124020103 its reverse (301020421), we get a palindrome (425040524).

The spelling of 124020103 in words is "one hundred twenty-four million, twenty thousand, one hundred three".