128601704 has 48 divisors (see below), whose sum is σ = 302920800. Its totient is φ = 50101920.

The previous prime is 128601703. The next prime is 128601731. The reversal of 128601704 is 407106821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128601703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2714 + ... + 16265.

It is an arithmetic number, because the mean of its divisors is an integer number (6310850).

Almost surely, 2^128601704 is an apocalyptic number.

128601704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128601704 is an abundant number, since it is smaller than the sum of its proper divisors (174319096).

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

128601704 is a wasteful number, since it uses less digits than its factorization.

128601704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19014 (or 18999 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 128601704 is about 11340.2691326088. The cubic root of 128601704 is about 504.7568728052.

The spelling of 128601704 in words is "one hundred twenty-eight million, six hundred one thousand, seven hundred four".