124713130705 has 4 divisors (see below), whose sum is σ = 149655756852. Its totient is φ = 99770504560.

The previous prime is 124713130699. The next prime is 124713130739. The reversal of 124713130705 is 507031317421.

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 77274548289 + 47438582416 = 277983^2 + 217804^2 .

It is a de Polignac number, because none of the positive numbers 2^k-124713130705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12471313066 + ... + 12471313075.

It is an arithmetic number, because the mean of its divisors is an integer number (37413939213).

Almost surely, 2^124713130705 is an apocalyptic number.

It is an amenable number.

124713130705 is a deficient number, since it is larger than the sum of its proper divisors (24942626147).

124713130705 is an equidigital number, since it uses as much as digits as its factorization.

124713130705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24942626146.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 124713130705 in words is "one hundred twenty-four billion, seven hundred thirteen million, one hundred thirty thousand, seven hundred five".