1260581983 has 2 divisors, whose sum is σ = 1260581984. Its totient is φ = 1260581982.

The previous prime is 1260581963. The next prime is 1260582007. The reversal of 1260581983 is 3891850621.

It is a weak prime.

It is an emirp because it is prime and its reverse (3891850621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1260581983 - 2⁵ = 1260581951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260581963) 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, 630290991 + 630290992.

It is an arithmetic number, because the mean of its divisors is an integer number (630290992).

Almost surely, 2^1260581983 is an apocalyptic number.

1260581983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260581983 is an equidigital number, since it uses as much as digits as its factorization.

1260581983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1260581983 is about 35504.6755090087. The cubic root of 1260581983 is about 1080.2485661868.

The spelling of 1260581983 in words is "one billion, two hundred sixty million, five hundred eighty-one thousand, nine hundred eighty-three".