8142001 has 4 divisors (see below), whose sum is σ = 9305152. Its totient is φ = 6978852.

The previous prime is 8141999. The next prime is 8142037. The reversal of 8142001 is 1002418.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1002418 = 2 ⋅501209.

It is a cyclic number.

It is not a de Polignac number, because 8142001 - 2¹ = 8141999 is a prime.

It is a Duffinian number.

8142001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8142401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581565 + ... + 581578.

It is an arithmetic number, because the mean of its divisors is an integer number (2326288).

Almost surely, 2^8142001 is an apocalyptic number.

It is an amenable number.

8142001 is a deficient number, since it is larger than the sum of its proper divisors (1163151).

8142001 is a wasteful number, since it uses less digits than its factorization.

8142001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163150.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 8142001 is about 2853.4191770576. The cubic root of 8142001 is about 201.1764084156.

Adding to 8142001 its reverse (1002418), we get a palindrome (9144419).

The spelling of 8142001 in words is "eight million, one hundred forty-two thousand, one".