671321020124 has 12 divisors (see below), whose sum is σ = 1243918360944. Its totient is φ = 315915774144.

The previous prime is 671321020093. The next prime is 671321020127. The reversal of 671321020124 is 421020123176.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671321020127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4936183904 + ... + 4936184039.

It is an arithmetic number, because the mean of its divisors is an integer number (103659863412).

Almost surely, 2^671321020124 is an apocalyptic number.

It is an amenable number.

671321020124 is a deficient number, since it is larger than the sum of its proper divisors (572597340820).

671321020124 is a wasteful number, since it uses less digits than its factorization.

671321020124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9872367964 (or 9872367962 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 671321020124 in words is "six hundred seventy-one billion, three hundred twenty-one million, twenty thousand, one hundred twenty-four".