104143001 has 4 divisors (see below), whose sum is σ = 104164404. Its totient is φ = 104121600.

The previous prime is 104142979. The next prime is 104143027. The reversal of 104143001 is 100341401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77352025 + 26790976 = 8795^2 + 5176^2 .

It is a cyclic number.

It is not a de Polignac number, because 104143001 - 2⁶ = 104142937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104143051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521 + ... + 14441.

It is an arithmetic number, because the mean of its divisors is an integer number (26041101).

Almost surely, 2^104143001 is an apocalyptic number.

It is an amenable number.

104143001 is a deficient number, since it is larger than the sum of its proper divisors (21403).

104143001 is an equidigital number, since it uses as much as digits as its factorization.

104143001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21402.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 104143001 is about 10205.0478195842. The cubic root of 104143001 is about 470.4823793498.

Adding to 104143001 its reverse (100341401), we get a palindrome (204484402).

The spelling of 104143001 in words is "one hundred four million, one hundred forty-three thousand, one".