127641 has 8 divisors (see below), whose sum is σ = 171904. Its totient is φ = 84240.

The previous prime is 127637. The next prime is 127643. The reversal of 127641 is 146721.

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

It is not a de Polignac number, because 127641 - 2² = 127637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127643) 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, 336 + ... + 606.

It is an arithmetic number, because the mean of its divisors is an integer number (21488).

2¹²⁷⁶⁴¹ is an apocalyptic number.

It is an amenable number.

127641 is a deficient number, since it is larger than the sum of its proper divisors (44263).

127641 is a wasteful number, since it uses less digits than its factorization.

127641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431.

The product of its digits is 336, while the sum is 21.

The square root of 127641 is about 357.2688063629. The cubic root of 127641 is about 50.3496820811.

The spelling of 127641 in words is "one hundred twenty-seven thousand, six hundred forty-one".