10120866 has 32 divisors (see below), whose sum is σ = 23457408. Its totient is φ = 2851200.

The previous prime is 10120843. The next prime is 10120921. The reversal of 10120866 is 66802101.

10120866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1416 + ... + 4716.

It is an arithmetic number, because the mean of its divisors is an integer number (733044).

Almost surely, 2^10120866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10120866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11728704).

10120866 is an abundant number, since it is smaller than the sum of its proper divisors (13336542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10120866 is a wasteful number, since it uses less digits than its factorization.

10120866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 10120866 is about 3181.3308535894. The cubic root of 10120866 is about 216.3079882801.

Adding to 10120866 its reverse (66802101), we get a palindrome (76922967).

The spelling of 10120866 in words is "ten million, one hundred twenty thousand, eight hundred sixty-six".