1246243 has 2 divisors, whose sum is σ = 1246244. Its totient is φ = 1246242.

The previous prime is 1246241. The next prime is 1246247. The reversal of 1246243 is 3426421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1246243 - 2¹ = 1246241 is a prime.

Together with 1246241, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1246241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623121 + 623122.

It is an arithmetic number, because the mean of its divisors is an integer number (623122).

2^1246243 is an apocalyptic number.

1246243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246243 is an equidigital number, since it uses as much as digits as its factorization.

1246243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 1246243 is about 1116.3525428824. The cubic root of 1246243 is about 107.6137033813.

The spelling of 1246243 in words is "one million, two hundred forty-six thousand, two hundred forty-three".