128060742 has 8 divisors (see below), whose sum is σ = 256121496. Its totient is φ = 42686912.

The previous prime is 128060731. The next prime is 128060743. The reversal of 128060742 is 247060821.

It is a sphenic number, since it is the product of 3 distinct primes.

128060742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128060743) 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, 10671723 + ... + 10671734.

It is an arithmetic number, because the mean of its divisors is an integer number (32015187).

Almost surely, 2^128060742 is an apocalyptic number.

128060742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128060742 is a wasteful number, since it uses less digits than its factorization.

128060742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21343462.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 128060742 is about 11316.3926230933. The cubic root of 128060742 is about 504.0481262308.

The spelling of 128060742 in words is "one hundred twenty-eight million, sixty thousand, seven hundred forty-two".