1210788863 has 2 divisors, whose sum is σ = 1210788864. Its totient is φ = 1210788862.

The previous prime is 1210788749. The next prime is 1210788871. The reversal of 1210788863 is 3688870121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210788863 - 2³⁰ = 137047039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210788893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605394431 + 605394432.

It is an arithmetic number, because the mean of its divisors is an integer number (605394432).

Almost surely, 2^1210788863 is an apocalyptic number.

1210788863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210788863 is an equidigital number, since it uses as much as digits as its factorization.

1210788863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 1210788863 is about 34796.3915226852. The cubic root of 1210788863 is about 1065.8337606132.

The spelling of 1210788863 in words is "one billion, two hundred ten million, seven hundred eighty-eight thousand, eight hundred sixty-three".