1241771 has 2 divisors, whose sum is σ = 1241772. Its totient is φ = 1241770.

The previous prime is 1241761. The next prime is 1241789. The reversal of 1241771 is 1771421.

It is a weak prime.

It is an emirp because it is prime and its reverse (1771421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241771 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (1241741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620885 + 620886.

It is an arithmetic number, because the mean of its divisors is an integer number (620886).

2^1241771 is an apocalyptic number.

1241771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241771 is an equidigital number, since it uses as much as digits as its factorization.

1241771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 392, while the sum is 23.

The square root of 1241771 is about 1114.3477913111. The cubic root of 1241771 is about 107.4848292996.

The spelling of 1241771 in words is "one million, two hundred forty-one thousand, seven hundred seventy-one".