128648730124 has 18 divisors (see below), whose sum is σ = 236990263020. Its totient is φ = 60937391016.

The previous prime is 128648730071. The next prime is 128648730131. The reversal of 128648730124 is 421037846821.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3106297 + ... + 3147439.

Almost surely, 2^128648730124 is an apocalyptic number.

It is an amenable number.

128648730124 is a deficient number, since it is larger than the sum of its proper divisors (108341532896).

128648730124 is an frugal number, since it uses more digits than its factorization.

128648730124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82309 (or 41164 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 128648730124 in words is "one hundred twenty-eight billion, six hundred forty-eight million, seven hundred thirty thousand, one hundred twenty-four".