942091 has 2 divisors, whose sum is σ = 942092. Its totient is φ = 942090.

The previous prime is 942079. The next prime is 942101. The reversal of 942091 is 190249.

It is a strong prime.

It is an emirp because it is prime and its reverse (190249) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-942091 is a prime.

It is not a weakly prime, because it can be changed into another prime (942031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471045 + 471046.

It is an arithmetic number, because the mean of its divisors is an integer number (471046).

2⁹⁴²⁰⁹¹ is an apocalyptic number.

942091 is a deficient number, since it is larger than the sum of its proper divisors (1).

942091 is an equidigital number, since it uses as much as digits as its factorization.

942091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 942091 is about 970.6137233730. The cubic root of 942091 is about 98.0311923476.

The spelling of 942091 in words is "nine hundred forty-two thousand, ninety-one".