127841287401 has 9 divisors (see below), whose sum is σ = 184661186749. Its totient is φ = 85226809836.

The previous prime is 127841287363. The next prime is 127841287411. The reversal of 127841287401 is 104782148721.

The square root of 127841287401 is 357549.

It is a perfect power (a square), and thus also a powerful number.

127841287401 is a `hidden beast` number, since 127 + 8 + 41 + 2 + 87 + 401 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-127841287401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127841287411) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1013056 + ... + 1132238.

Almost surely, 2^127841287401 is an apocalyptic number.

127841287401 is the 357549-th square number.

127841287401 is the 178775-th centered octagonal number.

It is an amenable number.

127841287401 is a deficient number, since it is larger than the sum of its proper divisors (56819899348).

127841287401 is an frugal number, since it uses more digits than its factorization.

127841287401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238372 (or 119186 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The spelling of 127841287401 in words is "one hundred twenty-seven billion, eight hundred forty-one million, two hundred eighty-seven thousand, four hundred one".