1280141953 has 2 divisors, whose sum is σ = 1280141954. Its totient is φ = 1280141952.

The previous prime is 1280141923. The next prime is 1280141957. The reversal of 1280141953 is 3591410821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1239603264 + 40538689 = 35208^2 + 6367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1280141953 - 2⁵ = 1280141921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1280141957) 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, 640070976 + 640070977.

It is an arithmetic number, because the mean of its divisors is an integer number (640070977).

Almost surely, 2^1280141953 is an apocalyptic number.

It is an amenable number.

1280141953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1280141953 is an equidigital number, since it uses as much as digits as its factorization.

1280141953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1280141953 is about 35779.0714384820. The cubic root of 1280141953 is about 1085.8071826255.

The spelling of 1280141953 in words is "one billion, two hundred eighty million, one hundred forty-one thousand, nine hundred fifty-three".