1241011249 has 2 divisors, whose sum is σ = 1241011250. Its totient is φ = 1241011248.

The previous prime is 1241011243. The next prime is 1241011351. The reversal of 1241011249 is 9421101421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1236788224 + 4223025 = 35168^2 + 2055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241011249 - 2⁵ = 1241011217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1241011243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620505624 + 620505625.

It is an arithmetic number, because the mean of its divisors is an integer number (620505625).

Almost surely, 2^1241011249 is an apocalyptic number.

It is an amenable number.

1241011249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241011249 is an equidigital number, since it uses as much as digits as its factorization.

1241011249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1241011249 is about 35227.9895679558. The cubic root of 1241011249 is about 1074.6290406363.

The spelling of 1241011249 in words is "one billion, two hundred forty-one million, eleven thousand, two hundred forty-nine".