124478163317 has 4 divisors (see below), whose sum is σ = 131800408236. Its totient is φ = 117155918400.

The previous prime is 124478163307. The next prime is 124478163343. The reversal of 124478163317 is 713361874421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57565925041 + 66912238276 = 239929^2 + 258674^2 .

It is a cyclic number.

It is not a de Polignac number, because 124478163317 - 2³⁰ = 123404421493 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 (124478163307) 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, 3661122434 + ... + 3661122467.

It is an arithmetic number, because the mean of its divisors is an integer number (32950102059).

Almost surely, 2^124478163317 is an apocalyptic number.

124478163317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

124478163317 is a deficient number, since it is larger than the sum of its proper divisors (7322244919).

124478163317 is an equidigital number, since it uses as much as digits as its factorization.

124478163317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7322244918.

The product of its digits is 677376, while the sum is 47.

The spelling of 124478163317 in words is "one hundred twenty-four billion, four hundred seventy-eight million, one hundred sixty-three thousand, three hundred seventeen".