128386124 has 12 divisors (see below), whose sum is σ = 228484200. Its totient is φ = 63104928.

The previous prime is 128386123. The next prime is 128386127. The reversal of 128386124 is 421683821.

It is not an unprimeable number, because it can be changed into a prime (128386121) 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, 271769 + ... + 272240.

It is an arithmetic number, because the mean of its divisors is an integer number (19040350).

Almost surely, 2^128386124 is an apocalyptic number.

It is an amenable number.

128386124 is a deficient number, since it is larger than the sum of its proper divisors (100098076).

128386124 is a wasteful number, since it uses less digits than its factorization.

128386124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544072 (or 544070 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 128386124 is about 11330.7600804183. The cubic root of 128386124 is about 504.4746672465.

The spelling of 128386124 in words is "one hundred twenty-eight million, three hundred eighty-six thousand, one hundred twenty-four".