128620243324 has 12 divisors (see below), whose sum is σ = 225916001248. Its totient is φ = 64072814400.

The previous prime is 128620243313. The next prime is 128620243327. The reversal of 128620243324 is 423342026821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128620243327) 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, 59325597 + ... + 59327764.

Almost surely, 2^128620243324 is an apocalyptic number.

It is an amenable number.

128620243324 is a deficient number, since it is larger than the sum of its proper divisors (97295757924).

128620243324 is a wasteful number, since it uses less digits than its factorization.

128620243324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118653636 (or 118653634 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 128620243324 in words is "one hundred twenty-eight billion, six hundred twenty million, two hundred forty-three thousand, three hundred twenty-four".