104642671 has 16 divisors (see below), whose sum is σ = 126319360. Its totient is φ = 84680640.

The previous prime is 104642647. The next prime is 104642719. The reversal of 104642671 is 176246401.

It is a 7-Lehmer number, since φ(104642671) divides (104642671-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 104642671 - 2⁹ = 104642159 is a prime.

It is the 10230-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104642621) by changing a digit.

It is a nontrivial repunit in base 10229.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42835 + ... + 45211.

It is an arithmetic number, because the mean of its divisors is an integer number (7894960).

Almost surely, 2^104642671 is an apocalyptic number.

104642671 is a deficient number, since it is larger than the sum of its proper divisors (21676689).

104642671 is a wasteful number, since it uses less digits than its factorization.

104642671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 104642671 is about 10229.5000366587. The cubic root of 104642671 is about 471.2336250810.

The spelling of 104642671 in words is "one hundred four million, six hundred forty-two thousand, six hundred seventy-one".