1001342143 has 8 divisors (see below), whose sum is σ = 1073666880. Its totient is φ = 930508800.

The previous prime is 1001342119. The next prime is 1001342149. The reversal of 1001342143 is 3412431001.

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 1001342143 - 2²¹ = 999244991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001342143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001342149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371458 + ... + 374143.

It is an arithmetic number, because the mean of its divisors is an integer number (134208360).

Almost surely, 2^1001342143 is an apocalyptic number.

1001342143 is a deficient number, since it is larger than the sum of its proper divisors (72324737).

1001342143 is an equidigital number, since it uses as much as digits as its factorization.

1001342143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745697.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1001342143 is about 31643.9906301339. The cubic root of 1001342143 is about 1000.4471809993.

Adding to 1001342143 its reverse (3412431001), we get a palindrome (4413773144).

The spelling of 1001342143 in words is "one billion, one million, three hundred forty-two thousand, one hundred forty-three".