104002143 has 32 divisors (see below), whose sum is σ = 167600640. Its totient is φ = 56039040.

The previous prime is 104002127. The next prime is 104002169. The reversal of 104002143 is 341200401.

It is not a de Polignac number, because 104002143 - 2⁴ = 104002127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104002543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110053 + ... + 110993.

It is an arithmetic number, because the mean of its divisors is an integer number (5237520).

Almost surely, 2^104002143 is an apocalyptic number.

104002143 is a deficient number, since it is larger than the sum of its proper divisors (63598497).

104002143 is a wasteful number, since it uses less digits than its factorization.

104002143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 104002143 is about 10198.1440958637. The cubic root of 104002143 is about 470.2701675926.

Adding to 104002143 its reverse (341200401), we get a palindrome (445202544).

The spelling of 104002143 in words is "one hundred four million, two thousand, one hundred forty-three".