1241115619 has 2 divisors, whose sum is σ = 1241115620. Its totient is φ = 1241115618.

The previous prime is 1241115541. The next prime is 1241115637. The reversal of 1241115619 is 9165111421.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9165111421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1241115619 - 2¹¹ = 1241113571 is a prime.

It is a super-2 number, since 2×1241115619² = 3080735959451506322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1241115649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620557809 + 620557810.

It is an arithmetic number, because the mean of its divisors is an integer number (620557810).

Almost surely, 2^1241115619 is an apocalyptic number.

1241115619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241115619 is an equidigital number, since it uses as much as digits as its factorization.

1241115619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 31.

The square root of 1241115619 is about 35229.4708873125. The cubic root of 1241115619 is about 1074.6591655013.

The spelling of 1241115619 in words is "one billion, two hundred forty-one million, one hundred fifteen thousand, six hundred nineteen".