9142001 has 4 divisors (see below), whose sum is σ = 9973104. Its totient is φ = 8310900.

The previous prime is 9141961. The next prime is 9142013. The reversal of 9142001 is 1002419.

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: 1002419 = 11 ⋅91129.

It is a cyclic number.

It is not a de Polignac number, because 9142001 - 2¹⁰ = 9140977 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9142061) 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, 415535 + ... + 415556.

It is an arithmetic number, because the mean of its divisors is an integer number (2493276).

Almost surely, 2^9142001 is an apocalyptic number.

It is an amenable number.

9142001 is a deficient number, since it is larger than the sum of its proper divisors (831103).

9142001 is a wasteful number, since it uses less digits than its factorization.

9142001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831102.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 9142001 is about 3023.5742094415. The cubic root of 9142001 is about 209.0966563752.

The spelling of 9142001 in words is "nine million, one hundred forty-two thousand, one".