942271091 has 2 divisors, whose sum is σ = 942271092. Its totient is φ = 942271090.

The previous prime is 942271081. The next prime is 942271093. The reversal of 942271091 is 190172249.

It is a strong prime.

It is an emirp because it is prime and its reverse (190172249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 942271091 - 2⁶ = 942271027 is a prime.

Together with 942271093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (942271093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471135545 + 471135546.

It is an arithmetic number, because the mean of its divisors is an integer number (471135546).

Almost surely, 2^942271091 is an apocalyptic number.

942271091 is a deficient number, since it is larger than the sum of its proper divisors (1).

942271091 is an equidigital number, since it uses as much as digits as its factorization.

942271091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 942271091 is about 30696.4344997917. The cubic root of 942271091 is about 980.3743852785.

The spelling of 942271091 in words is "nine hundred forty-two million, two hundred seventy-one thousand, ninety-one".