128860614 has 24 divisors (see below), whose sum is σ = 288205632. Its totient is φ = 41567760.

The previous prime is 128860591. The next prime is 128860643. The reversal of 128860614 is 416068821.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114909 + ... + 116024.

It is an arithmetic number, because the mean of its divisors is an integer number (12008568).

Almost surely, 2^128860614 is an apocalyptic number.

128860614 is an abundant number, since it is smaller than the sum of its proper divisors (159345018).

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

128860614 is a wasteful number, since it uses less digits than its factorization.

128860614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230972 (or 230969 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 128860614 is about 11351.6789066640. The cubic root of 128860614 is about 505.0953830876.

The spelling of 128860614 in words is "one hundred twenty-eight million, eight hundred sixty thousand, six hundred fourteen".