1494247 has 2 divisors, whose sum is σ = 1494248. Its totient is φ = 1494246.

The previous prime is 1494197. The next prime is 1494253. The reversal of 1494247 is 7424941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1494247 - 2¹⁵ = 1461479 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1494257) 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, 747123 + 747124.

It is an arithmetic number, because the mean of its divisors is an integer number (747124).

2^1494247 is an apocalyptic number.

1494247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494247 is an equidigital number, since it uses as much as digits as its factorization.

1494247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 1494247 is about 1222.3939626814. The cubic root of 1494247 is about 114.3248914049.

The spelling of 1494247 in words is "one million, four hundred ninety-four thousand, two hundred forty-seven".