1241304287 has 2 divisors, whose sum is σ = 1241304288. Its totient is φ = 1241304286.

The previous prime is 1241304221. The next prime is 1241304307. The reversal of 1241304287 is 7824031421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1241304287 - 2²⁴ = 1224527071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241304587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620652143 + 620652144.

It is an arithmetic number, because the mean of its divisors is an integer number (620652144).

Almost surely, 2^1241304287 is an apocalyptic number.

1241304287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241304287 is an equidigital number, since it uses as much as digits as its factorization.

1241304287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1241304287 is about 35232.1484868579. The cubic root of 1241304287 is about 1074.7136174582.

The spelling of 1241304287 in words is "one billion, two hundred forty-one million, three hundred four thousand, two hundred eighty-seven".