1260159133 has 2 divisors, whose sum is σ = 1260159134. Its totient is φ = 1260159132.

The previous prime is 1260159113. The next prime is 1260159139. The reversal of 1260159133 is 3319510621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 721083609 + 539075524 = 26853^2 + 23218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260159133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1260159095 and 1260159104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260159139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630079566 + 630079567.

It is an arithmetic number, because the mean of its divisors is an integer number (630079567).

Almost surely, 2^1260159133 is an apocalyptic number.

It is an amenable number.

1260159133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260159133 is an equidigital number, since it uses as much as digits as its factorization.

1260159133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1260159133 is about 35498.7201600283. The cubic root of 1260159133 is about 1080.1277663773.

Adding to 1260159133 its reverse (3319510621), we get a palindrome (4579669754).

The spelling of 1260159133 in words is "one billion, two hundred sixty million, one hundred fifty-nine thousand, one hundred thirty-three".