1012868863 has 2 divisors, whose sum is σ = 1012868864. Its totient is φ = 1012868862.

The previous prime is 1012868839. The next prime is 1012868869. The reversal of 1012868863 is 3688682101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012868863 - 2¹³ = 1012860671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012868869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506434431 + 506434432.

It is an arithmetic number, because the mean of its divisors is an integer number (506434432).

Almost surely, 2^1012868863 is an apocalyptic number.

1012868863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012868863 is an equidigital number, since it uses as much as digits as its factorization.

1012868863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 1012868863 is about 31825.6007484541. The cubic root of 1012868863 is about 1004.2713505880.

The spelling of 1012868863 in words is "one billion, twelve million, eight hundred sixty-eight thousand, eight hundred sixty-three".