1493171 has 2 divisors, whose sum is σ = 1493172. Its totient is φ = 1493170.

The previous prime is 1493159. The next prime is 1493189. The reversal of 1493171 is 1713941.

It is a weak prime.

It is an emirp because it is prime and its reverse (1713941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1493171 - 2¹⁰ = 1492147 is a prime.

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 1493171.

It is not a weakly prime, because it can be changed into another prime (1493101) 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, 746585 + 746586.

It is an arithmetic number, because the mean of its divisors is an integer number (746586).

2^1493171 is an apocalyptic number.

1493171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493171 is an equidigital number, since it uses as much as digits as its factorization.

1493171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 26.

The square root of 1493171 is about 1221.9537634461. The cubic root of 1493171 is about 114.2974432159.

The spelling of 1493171 in words is "one million, four hundred ninety-three thousand, one hundred seventy-one".