71871101 has 8 divisors (see below), whose sum is σ = 73402464. Its totient is φ = 70353360.

The previous prime is 71871071. The next prime is 71871169. The reversal of 71871101 is 10117817.

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 71871101 - 2²⁶ = 4762237 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 (71871001) 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, 7631 + ... + 14211.

It is an arithmetic number, because the mean of its divisors is an integer number (9175308).

Almost surely, 2^71871101 is an apocalyptic number.

It is an amenable number.

71871101 is a deficient number, since it is larger than the sum of its proper divisors (1531363).

71871101 is a wasteful number, since it uses less digits than its factorization.

71871101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811.

The product of its (nonzero) digits is 392, while the sum is 26.

The square root of 71871101 is about 8477.6825253132. The cubic root of 71871101 is about 415.7683563823.

Adding to 71871101 its reverse (10117817), we get a palindrome (81988918).

The spelling of 71871101 in words is "seventy-one million, eight hundred seventy-one thousand, one hundred one".