1115254241 has 2 divisors, whose sum is σ = 1115254242. Its totient is φ = 1115254240.

The previous prime is 1115254237. The next prime is 1115254289. The reversal of 1115254241 is 1424525111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1108623616 + 6630625 = 33296^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115254241 - 2² = 1115254237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1115254241.

It is not a weakly prime, because it can be changed into another prime (1115254541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557627120 + 557627121.

It is an arithmetic number, because the mean of its divisors is an integer number (557627121).

Almost surely, 2^1115254241 is an apocalyptic number.

It is an amenable number.

1115254241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115254241 is an equidigital number, since it uses as much as digits as its factorization.

1115254241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1600, while the sum is 26.

The square root of 1115254241 is about 33395.4224557798. The cubic root of 1115254241 is about 1037.0299386262.

Adding to 1115254241 its reverse (1424525111), we get a palindrome (2539779352).

The spelling of 1115254241 in words is "one billion, one hundred fifteen million, two hundred fifty-four thousand, two hundred forty-one".