1361124563 has 2 divisors, whose sum is σ = 1361124564. Its totient is φ = 1361124562.

The previous prime is 1361124547. The next prime is 1361124647. The reversal of 1361124563 is 3654211631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361124563 - 2⁴ = 1361124547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1361124263) 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, 680562281 + 680562282.

It is an arithmetic number, because the mean of its divisors is an integer number (680562282).

Almost surely, 2^1361124563 is an apocalyptic number.

1361124563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361124563 is an equidigital number, since it uses as much as digits as its factorization.

1361124563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 1361124563 is about 36893.4216764995. The cubic root of 1361124563 is about 1108.2369444106.

The spelling of 1361124563 in words is "one billion, three hundred sixty-one million, one hundred twenty-four thousand, five hundred sixty-three".