9142091 has 8 divisors (see below), whose sum is σ = 10474464. Its totient is φ = 7816320.

The previous prime is 9142087. The next prime is 9142093. The reversal of 9142091 is 1902419.

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 9142091 - 2² = 9142087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9142091.

It is not an unprimeable number, because it can be changed into a prime (9142093) 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, 1811 + ... + 4643.

It is an arithmetic number, because the mean of its divisors is an integer number (1309308).

Almost surely, 2^9142091 is an apocalyptic number.

9142091 is a deficient number, since it is larger than the sum of its proper divisors (1332373).

9142091 is a wasteful number, since it uses less digits than its factorization.

9142091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301.

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

The square root of 9142091 is about 3023.5890924529. The cubic root of 9142091 is about 209.0973425356.

The spelling of 9142091 in words is "nine million, one hundred forty-two thousand, ninety-one".