124436013 has 16 divisors (see below), whose sum is σ = 184840320. Its totient is φ = 73934784.

The previous prime is 124435999. The next prime is 124436017. The reversal of 124436013 is 310634421.

It is not a de Polignac number, because 124436013 - 2¹² = 124431917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124436017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53881 + ... + 56142.

It is an arithmetic number, because the mean of its divisors is an integer number (11552520).

Almost surely, 2^124436013 is an apocalyptic number.

124436013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

124436013 is a deficient number, since it is larger than the sum of its proper divisors (60404307).

124436013 is a wasteful number, since it uses less digits than its factorization.

124436013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110068.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 124436013 is about 11155.0891076674. The cubic root of 124436013 is about 499.2468835341.

The spelling of 124436013 in words is "one hundred twenty-four million, four hundred thirty-six thousand, thirteen".