124040005 has 8 divisors (see below), whose sum is σ = 149415552. Its totient is φ = 98853648.

The previous prime is 124039919. The next prime is 124040009. The reversal of 124040005 is 500040421.

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 124040005 - 2¹¹ = 124037957 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 (124040009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45849 + ... + 48478.

It is an arithmetic number, because the mean of its divisors is an integer number (18676944).

Almost surely, 2^124040005 is an apocalyptic number.

It is an amenable number.

124040005 is a deficient number, since it is larger than the sum of its proper divisors (25375547).

124040005 is an equidigital number, since it uses as much as digits as its factorization.

124040005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94595.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 124040005 is about 11137.3248583311. The cubic root of 124040005 is about 498.7167158480.

Adding to 124040005 its reverse (500040421), we get a palindrome (624080426).

The spelling of 124040005 in words is "one hundred twenty-four million, forty thousand, five".