101004143 has 4 divisors (see below), whose sum is σ = 101025120. Its totient is φ = 100983168.

The previous prime is 101004131. The next prime is 101004199. The reversal of 101004143 is 341400101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101004143 - 2¹⁴ = 100987759 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 (101001143) 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, 746 + ... + 14232.

It is an arithmetic number, because the mean of its divisors is an integer number (25256280).

Almost surely, 2^101004143 is an apocalyptic number.

101004143 is a deficient number, since it is larger than the sum of its proper divisors (20977).

101004143 is an equidigital number, since it uses as much as digits as its factorization.

101004143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20976.

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

The square root of 101004143 is about 10050.0817409611. The cubic root of 101004143 is about 465.7073183469.

Adding to 101004143 its reverse (341400101), we get a palindrome (442404244).

The spelling of 101004143 in words is "one hundred one million, four thousand, one hundred forty-three".