1241266469 has 2 divisors, whose sum is σ = 1241266470. Its totient is φ = 1241266468.

The previous prime is 1241266459. The next prime is 1241266471. The reversal of 1241266469 is 9646621421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1241152900 + 113569 = 35230^2 + 337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241266469 is a prime.

It is a super-2 number, since 2×1241266469² = 3081484894127455922, which contains 22 as substring.

Together with 1241266471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241266459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620633234 + 620633235.

It is an arithmetic number, because the mean of its divisors is an integer number (620633235).

Almost surely, 2^1241266469 is an apocalyptic number.

It is an amenable number.

1241266469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241266469 is an equidigital number, since it uses as much as digits as its factorization.

1241266469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 1241266469 is about 35231.6117854406. The cubic root of 1241266469 is about 1074.7027031500.

The spelling of 1241266469 in words is "one billion, two hundred forty-one million, two hundred sixty-six thousand, four hundred sixty-nine".