1241139017 has 2 divisors, whose sum is σ = 1241139018. Its totient is φ = 1241139016.

The previous prime is 1241139007. The next prime is 1241139019. The reversal of 1241139017 is 7109311421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 910772041 + 330366976 = 30179^2 + 18176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241139017 - 2⁶ = 1241138953 is a prime.

Together with 1241139019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1241139019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620569508 + 620569509.

It is an arithmetic number, because the mean of its divisors is an integer number (620569509).

Almost surely, 2^1241139017 is an apocalyptic number.

It is an amenable number.

1241139017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241139017 is an equidigital number, since it uses as much as digits as its factorization.

1241139017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1241139017 is about 35229.8029656710. The cubic root of 1241139017 is about 1074.6659187580.

The spelling of 1241139017 in words is "one billion, two hundred forty-one million, one hundred thirty-nine thousand, seventeen".