1241115637 has 2 divisors, whose sum is σ = 1241115638. Its totient is φ = 1241115636.

The previous prime is 1241115619. The next prime is 1241115649. The reversal of 1241115637 is 7365111421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 796707076 + 444408561 = 28226^2 + 21081^2 .

It is an emirp because it is prime and its reverse (7365111421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1241115637 - 2¹¹ = 1241113589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1241115599 and 1241115608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241115037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620557818 + 620557819.

It is an arithmetic number, because the mean of its divisors is an integer number (620557819).

Almost surely, 2^1241115637 is an apocalyptic number.

It is an amenable number.

1241115637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241115637 is an equidigital number, since it uses as much as digits as its factorization.

1241115637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 1241115637 is about 35229.4711427804. The cubic root of 1241115637 is about 1074.6591706966.

The spelling of 1241115637 in words is "one billion, two hundred forty-one million, one hundred fifteen thousand, six hundred thirty-seven".