1241291 has 2 divisors, whose sum is σ = 1241292. Its totient is φ = 1241290.

The previous prime is 1241269. The next prime is 1241321. The reversal of 1241291 is 1921421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241291 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1241491) 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, 620645 + 620646.

It is an arithmetic number, because the mean of its divisors is an integer number (620646).

2^1241291 is an apocalyptic number.

1241291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241291 is an equidigital number, since it uses as much as digits as its factorization.

1241291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 20.

The square root of 1241291 is about 1114.1323978774. The cubic root of 1241291 is about 107.4709782844.

The spelling of 1241291 in words is "one million, two hundred forty-one thousand, two hundred ninety-one".