1010866 has 8 divisors (see below), whose sum is σ = 1530540. Its totient is φ = 500688.

The previous prime is 1010861. The next prime is 1010881. The reversal of 1010866 is 6680101.

It can be written as a sum of positive squares in 2 ways, for example, as 1010025 + 841 = 1005^2 + 29^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam 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, 2101 + ... + 2536.

2^1010866 is an apocalyptic number.

1010866 is a deficient number, since it is larger than the sum of its proper divisors (519674).

1010866 is a wasteful number, since it uses less digits than its factorization.

1010866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1010866 is about 1005.4183208993. The cubic root of 1010866 is about 100.3608959741.

Adding to 1010866 its reverse (6680101), we get a palindrome (7690967).

The spelling of 1010866 in words is "one million, ten thousand, eight hundred sixty-six".