1260508971929 has 2 divisors, whose sum is σ = 1260508971930. Its totient is φ = 1260508971928.

The previous prime is 1260508971919. The next prime is 1260508971941. The reversal of 1260508971929 is 9291798050621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970327442704 + 290181529225 = 985052^2 + 538685^2 .

It is an emirp because it is prime and its reverse (9291798050621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260508971929 is a prime.

It is a super-3 number, since 3×1260508971929³ (a number of 37 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1260508971919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630254485964 + 630254485965.

It is an arithmetic number, because the mean of its divisors is an integer number (630254485965).

Almost surely, 2^{1260508971929} is an apocalyptic number.

It is an amenable number.

1260508971929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260508971929 is an equidigital number, since it uses as much as digits as its factorization.

1260508971929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 1260508971929 in words is "one trillion, two hundred sixty billion, five hundred eight million, nine hundred seventy-one thousand, nine hundred twenty-nine".