1260249611 has 2 divisors, whose sum is σ = 1260249612. Its totient is φ = 1260249610.

The previous prime is 1260249583. The next prime is 1260249623. The reversal of 1260249611 is 1169420621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260249611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1260249311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630124805 + 630124806.

It is an arithmetic number, because the mean of its divisors is an integer number (630124806).

Almost surely, 2^1260249611 is an apocalyptic number.

1260249611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260249611 is an equidigital number, since it uses as much as digits as its factorization.

1260249611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1260249611 is about 35499.9945211263. The cubic root of 1260249611 is about 1080.1536164091.

The spelling of 1260249611 in words is "one billion, two hundred sixty million, two hundred forty-nine thousand, six hundred eleven".