1047311 has 2 divisors, whose sum is σ = 1047312. Its totient is φ = 1047310.

The previous prime is 1047307. The next prime is 1047313. The reversal of 1047311 is 1137401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1047311 - 2² = 1047307 is a prime.

It is a Sophie Germain prime.

Together with 1047313, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1047311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523655 + 523656.

It is an arithmetic number, because the mean of its divisors is an integer number (523656).

2^1047311 is an apocalyptic number.

1047311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047311 is an equidigital number, since it uses as much as digits as its factorization.

1047311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1047311 is about 1023.3821378156. The cubic root of 1047311 is about 101.5527967535.

The spelling of 1047311 in words is "one million, forty-seven thousand, three hundred eleven".