1371047 has 2 divisors, whose sum is σ = 1371048. Its totient is φ = 1371046.

The previous prime is 1371031. The next prime is 1371061. The reversal of 1371047 is 7401731.

It is a strong prime.

It is an emirp because it is prime and its reverse (7401731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1371047 - 2⁴ = 1371031 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 (1371017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685523 + 685524.

It is an arithmetic number, because the mean of its divisors is an integer number (685524).

2^1371047 is an apocalyptic number.

1371047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371047 is an equidigital number, since it uses as much as digits as its factorization.

1371047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 1371047 is about 1170.9171618864. The cubic root of 1371047 is about 111.0923399030.

Adding to 1371047 its reverse (7401731), we get a palindrome (8772778).

The spelling of 1371047 in words is "one million, three hundred seventy-one thousand, forty-seven".