1042271 has 2 divisors, whose sum is σ = 1042272. Its totient is φ = 1042270.

The previous prime is 1042267. The next prime is 1042273. The reversal of 1042271 is 1722401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042271 - 2² = 1042267 is a prime.

Together with 1042273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521135 + 521136.

It is an arithmetic number, because the mean of its divisors is an integer number (521136).

2^1042271 is an apocalyptic number.

1042271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042271 is an equidigital number, since it uses as much as digits as its factorization.

1042271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1042271 is about 1020.9167448916. The cubic root of 1042271 is about 101.3896330825.

Adding to 1042271 its reverse (1722401), we get a palindrome (2764672).

The spelling of 1042271 in words is "one million, forty-two thousand, two hundred seventy-one".