1281160583 has 2 divisors, whose sum is σ = 1281160584. Its totient is φ = 1281160582.

The previous prime is 1281160571. The next prime is 1281160627. The reversal of 1281160583 is 3850611821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1281160583 - 2⁴ = 1281160567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1281160523) 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, 640580291 + 640580292.

It is an arithmetic number, because the mean of its divisors is an integer number (640580292).

Almost surely, 2^1281160583 is an apocalyptic number.

1281160583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1281160583 is an equidigital number, since it uses as much as digits as its factorization.

1281160583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1281160583 is about 35793.3036055629. The cubic root of 1281160583 is about 1086.0951044803.

The spelling of 1281160583 in words is "one billion, two hundred eighty-one million, one hundred sixty thousand, five hundred eighty-three".