1260049757 has 2 divisors, whose sum is σ = 1260049758. Its totient is φ = 1260049756.

The previous prime is 1260049753. The next prime is 1260049759. The reversal of 1260049757 is 7579400621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1144401241 + 115648516 = 33829^2 + 10754^2 .

It is a cyclic number.

It is not a de Polignac number, because 1260049757 - 2² = 1260049753 is a prime.

Together with 1260049759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260049753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630024878 + 630024879.

It is an arithmetic number, because the mean of its divisors is an integer number (630024879).

Almost surely, 2^1260049757 is an apocalyptic number.

It is an amenable number.

1260049757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260049757 is an equidigital number, since it uses as much as digits as its factorization.

1260049757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1260049757 is about 35497.1795640161. The cubic root of 1260049757 is about 1080.0965154372.

The spelling of 1260049757 in words is "one billion, two hundred sixty million, forty-nine thousand, seven hundred fifty-seven".