71123130124 has 6 divisors (see below), whose sum is σ = 124465477724. Its totient is φ = 35561565060.

The previous prime is 71123130121. The next prime is 71123130137. The reversal of 71123130124 is 42103132117.

It is not an unprimeable number, because it can be changed into a prime (71123130121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8890391262 + ... + 8890391269.

Almost surely, 2^71123130124 is an apocalyptic number.

It is an amenable number.

71123130124 is a deficient number, since it is larger than the sum of its proper divisors (53342347600).

71123130124 is a wasteful number, since it uses less digits than its factorization.

71123130124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17780782535 (or 17780782533 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 71123130124 in words is "seventy-one billion, one hundred twenty-three million, one hundred thirty thousand, one hundred twenty-four".