1071047 has 2 divisors, whose sum is σ = 1071048. Its totient is φ = 1071046.

The previous prime is 1071023. The next prime is 1071053. The reversal of 1071047 is 7401701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1071047 is a prime.

It is a super-2 number, since 2×1071047² = 2294283352418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071067) 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 as a sum of consecutive naturals, namely, 535523 + 535524.

It is an arithmetic number, because the mean of its divisors is an integer number (535524).

2^1071047 is an apocalyptic number.

1071047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071047 is an equidigital number, since it uses as much as digits as its factorization.

1071047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 1071047 is about 1034.9140060894. The cubic root of 1071047 is about 102.3142620852.

Adding to 1071047 its reverse (7401701), we get a palindrome (8472748).

The spelling of 1071047 in words is "one million, seventy-one thousand, forty-seven".