128367924 has 24 divisors (see below), whose sum is σ = 299711328. Its totient is φ = 42762720.

The previous prime is 128367923. The next prime is 128367947. The reversal of 128367924 is 429763821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128367923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30814 + ... + 34730.

It is an arithmetic number, because the mean of its divisors is an integer number (12487972).

Almost surely, 2^128367924 is an apocalyptic number.

It is an amenable number.

128367924 is an abundant number, since it is smaller than the sum of its proper divisors (171343404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128367924 is a wasteful number, since it uses less digits than its factorization.

128367924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655 (or 6653 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 128367924 is about 11329.9569284265. The cubic root of 128367924 is about 504.4508280325.

The spelling of 128367924 in words is "one hundred twenty-eight million, three hundred sixty-seven thousand, nine hundred twenty-four".