1260581963 has 2 divisors, whose sum is σ = 1260581964. Its totient is φ = 1260581962.

The previous prime is 1260581951. The next prime is 1260581983. The reversal of 1260581963 is 3691850621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1260581963 - 2¹⁶ = 1260516427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1260581963.

It is not a weakly prime, because it can be changed into another prime (1260581983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630290981 + 630290982.

It is an arithmetic number, because the mean of its divisors is an integer number (630290982).

Almost surely, 2^1260581963 is an apocalyptic number.

1260581963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260581963 is an equidigital number, since it uses as much as digits as its factorization.

1260581963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1260581963 is about 35504.6752273556. The cubic root of 1260581963 is about 1080.2485604738.

The spelling of 1260581963 in words is "one billion, two hundred sixty million, five hundred eighty-one thousand, nine hundred sixty-three".