10101806 has 48 divisors (see below), whose sum is σ = 18992400. Its totient is φ = 4015440.

The previous prime is 10101779. The next prime is 10101821. The reversal of 10101806 is 60810101.

10101806 = 415² + 416² + ... + 466².

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531665 + ... + 531683.

It is an arithmetic number, because the mean of its divisors is an integer number (395675).

Almost surely, 2^10101806 is an apocalyptic number.

10101806 is a deficient number, since it is larger than the sum of its proper divisors (8890594).

10101806 is a wasteful number, since it uses less digits than its factorization.

10101806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 10101806 is about 3178.3338402377. Note that the first 3 decimals coincide. The cubic root of 10101806 is about 216.1721164730.

Adding to 10101806 its reverse (60810101), we get a palindrome (70911907).

The spelling of 10101806 in words is "ten million, one hundred one thousand, eight hundred six".