124005103 has 4 divisors (see below), whose sum is σ = 124546840. Its totient is φ = 123463368.

The previous prime is 124005083. The next prime is 124005113. The reversal of 124005103 is 301500421.

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 124005103 - 2²⁵ = 90450671 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 (124005113) 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, 270525 + ... + 270982.

It is an arithmetic number, because the mean of its divisors is an integer number (31136710).

Almost surely, 2^124005103 is an apocalyptic number.

124005103 is a deficient number, since it is larger than the sum of its proper divisors (541737).

124005103 is an equidigital number, since it uses as much as digits as its factorization.

124005103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541736.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 124005103 is about 11135.7578547668. The cubic root of 124005103 is about 498.6699356617.

Adding to 124005103 its reverse (301500421), we get a palindrome (425505524).

The spelling of 124005103 in words is "one hundred twenty-four million, five thousand, one hundred three".