1263047 has 2 divisors, whose sum is σ = 1263048. Its totient is φ = 1263046.

The previous prime is 1263007. The next prime is 1263071. The reversal of 1263047 is 7403621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1263047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1263007) 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, 631523 + 631524.

It is an arithmetic number, because the mean of its divisors is an integer number (631524).

2^1263047 is an apocalyptic number.

1263047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263047 is an equidigital number, since it uses as much as digits as its factorization.

1263047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1263047 is about 1123.8536381576. The cubic root of 1263047 is about 108.0952235157.

Adding to 1263047 its reverse (7403621), we get a palindrome (8666668).

The spelling of 1263047 in words is "one million, two hundred sixty-three thousand, forty-seven".