9142109 has 8 divisors (see below), whose sum is σ = 9702720. Its totient is φ = 8595136.

The previous prime is 9142103. The next prime is 9142151. The reversal of 9142109 is 9012419.

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 9142109 - 2⁴ = 9142093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9142103) 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, 2012 + ... + 4725.

It is an arithmetic number, because the mean of its divisors is an integer number (1212840).

Almost surely, 2^9142109 is an apocalyptic number.

It is an amenable number.

9142109 is a deficient number, since it is larger than the sum of its proper divisors (560611).

9142109 is a wasteful number, since it uses less digits than its factorization.

9142109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6819.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 9142109 is about 3023.5920690464. The cubic root of 9142109 is about 209.0974797672.

The spelling of 9142109 in words is "nine million, one hundred forty-two thousand, one hundred nine".