128077141 has 8 divisors (see below), whose sum is σ = 131716800. Its totient is φ = 124486560.

The previous prime is 128077139. The next prime is 128077189. The reversal of 128077141 is 141770821.

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

It is a cyclic number.

It is not a de Polignac number, because 128077141 - 2¹ = 128077139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128077111) 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, 6945 + ... + 17446.

It is an arithmetic number, because the mean of its divisors is an integer number (16464600).

Almost surely, 2^128077141 is an apocalyptic number.

It is an amenable number.

128077141 is a deficient number, since it is larger than the sum of its proper divisors (3639659).

128077141 is an equidigital number, since it uses as much as digits as its factorization.

128077141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24539.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 128077141 is about 11317.1171682545. The cubic root of 128077141 is about 504.0696408451.

The spelling of 128077141 in words is "one hundred twenty-eight million, seventy-seven thousand, one hundred forty-one".