1241115539 has 2 divisors, whose sum is σ = 1241115540. Its totient is φ = 1241115538.

The previous prime is 1241115503. The next prime is 1241115541. The reversal of 1241115539 is 9355111421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1241115539 - 2²⁰ = 1240066963 is a prime.

It is a super-2 number, since 2×1241115539² = 3080735562294521042, which contains 22 as substring.

Together with 1241115541, 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 (1241111539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620557769 + 620557770.

It is an arithmetic number, because the mean of its divisors is an integer number (620557770).

Almost surely, 2^1241115539 is an apocalyptic number.

1241115539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241115539 is an equidigital number, since it uses as much as digits as its factorization.

1241115539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 32.

The square root of 1241115539 is about 35229.4697518995. The cubic root of 1241115539 is about 1074.6591424111.

The spelling of 1241115539 in words is "one billion, two hundred forty-one million, one hundred fifteen thousand, five hundred thirty-nine".