124011005 has 32 divisors (see below), whose sum is σ = 171279360. Its totient is φ = 85570560.

The previous prime is 124011001. The next prime is 124011007. The reversal of 124011005 is 500110421.

It is not a de Polignac number, because 124011005 - 2² = 124011001 is a prime.

It is a super-2 number, since 2×124011005² = 30757458722220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124011001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48827 + ... + 51303.

It is an arithmetic number, because the mean of its divisors is an integer number (5352480).

Almost surely, 2^124011005 is an apocalyptic number.

It is an amenable number.

124011005 is a deficient number, since it is larger than the sum of its proper divisors (47268355).

124011005 is a wasteful number, since it uses less digits than its factorization.

124011005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 124011005 is about 11136.0228537840. The cubic root of 124011005 is about 498.6778469040.

Adding to 124011005 its reverse (500110421), we get a palindrome (624121426).

The spelling of 124011005 in words is "one hundred twenty-four million, eleven thousand, five".