1010863 has 4 divisors (see below), whose sum is σ = 1155280. Its totient is φ = 866448.

The previous prime is 1010861. The next prime is 1010881. The reversal of 1010863 is 3680101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010863 - 2¹ = 1010861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72198 + ... + 72211.

It is an arithmetic number, because the mean of its divisors is an integer number (288820).

2^1010863 is an apocalyptic number.

1010863 is a deficient number, since it is larger than the sum of its proper divisors (144417).

1010863 is an equidigital number, since it uses as much as digits as its factorization.

1010863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144416.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1010863 is about 1005.4168289819. The cubic root of 1010863 is about 100.3607966919.

Adding to 1010863 its reverse (3680101), we get a palindrome (4690964).

It can be divided in two parts, 10108 and 63, that multiplied together give a square (636804 = 798²).

The spelling of 1010863 in words is "one million, ten thousand, eight hundred sixty-three".