942191 has 8 divisors (see below), whose sum is σ = 1050480. Its totient is φ = 839808.

The previous prime is 942187. The next prime is 942199. The reversal of 942191 is 191249.

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 942191 - 2² = 942187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 942191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (131310).

2⁹⁴²¹⁹¹ is an apocalyptic number.

942191 is a deficient number, since it is larger than the sum of its proper divisors (108289).

942191 is a wasteful number, since it uses less digits than its factorization.

942191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953.

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

The square root of 942191 is about 970.6652358048. The cubic root of 942191 is about 98.0346607926.

The spelling of 942191 in words is "nine hundred forty-two thousand, one hundred ninety-one".