124000505 has 16 divisors (see below), whose sum is σ = 153197760. Its totient is φ = 96282432.

The previous prime is 124000489. The next prime is 124000529. The reversal of 124000505 is 505000421.

It is a cyclic number.

It is not a de Polignac number, because 124000505 - 2⁴ = 124000489 is a prime.

It is a super-2 number, since 2×124000505² = 30752250480510050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136262 + ... + 137168.

It is an arithmetic number, because the mean of its divisors is an integer number (9574860).

Almost surely, 2^124000505 is an apocalyptic number.

It is an amenable number.

124000505 is a deficient number, since it is larger than the sum of its proper divisors (29197255).

124000505 is an equidigital number, since it uses as much as digits as its factorization.

124000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 124000505 is about 11135.5514008063. The cubic root of 124000505 is about 498.6637721715.

Adding to 124000505 its reverse (505000421), we get a palindrome (629000926).

The spelling of 124000505 in words is "one hundred twenty-four million, five hundred five", and thus it is an aban number.