1241287717 has 8 divisors (see below), whose sum is σ = 1256558400. Its totient is φ = 1226046624.

The previous prime is 1241287703. The next prime is 1241287811. The reversal of 1241287717 is 7177821421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1241287717 - 2¹⁹ = 1240763429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241287717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241287517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83848 + ... + 97534.

It is an arithmetic number, because the mean of its divisors is an integer number (157069800).

Almost surely, 2^1241287717 is an apocalyptic number.

It is an amenable number.

1241287717 is a deficient number, since it is larger than the sum of its proper divisors (15270683).

1241287717 is a wasteful number, since it uses less digits than its factorization.

1241287717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14795.

The product of its digits is 43904, while the sum is 40.

The square root of 1241287717 is about 35231.9133315237. The cubic root of 1241287717 is about 1074.7088353688.

The spelling of 1241287717 in words is "one billion, two hundred forty-one million, two hundred eighty-seven thousand, seven hundred seventeen".