127213671 has 8 divisors (see below), whose sum is σ = 182665840. Its totient is φ = 78285312.

The previous prime is 127213649. The next prime is 127213699. The reversal of 127213671 is 176312721.

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

It is not a de Polignac number, because 127213671 - 2⁷ = 127213543 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 (127213171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630906 + ... + 1630983.

It is an arithmetic number, because the mean of its divisors is an integer number (22833230).

Almost surely, 2^127213671 is an apocalyptic number.

127213671 is a deficient number, since it is larger than the sum of its proper divisors (55452169).

127213671 is a wasteful number, since it uses less digits than its factorization.

127213671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261905.

The product of its digits is 3528, while the sum is 30.

The square root of 127213671 is about 11278.9038031185. The cubic root of 127213671 is about 502.9343073279.

The spelling of 127213671 in words is "one hundred twenty-seven million, two hundred thirteen thousand, six hundred seventy-one".