100001210 has 8 divisors (see below), whose sum is σ = 180002196. Its totient is φ = 40000480.

The previous prime is 100001207. The next prime is 100001219. The reversal of 100001210 is 12100001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99221521 + 779689 = 9961^2 + 883^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 100001194 and 100001203.

It is not an unprimeable number, because it can be changed into a prime (100001219) 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, 5000051 + ... + 5000070.

Almost surely, 2^100001210 is an apocalyptic number.

100001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001210 is a deficient number, since it is larger than the sum of its proper divisors (80000986).

100001210 is a wasteful number, since it uses less digits than its factorization.

100001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000128.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 100001210 is about 10000.0604998170. The cubic root of 100001210 is about 464.1607554612.

Adding to 100001210 its reverse (12100001), we get a palindrome (112101211).

The spelling of 100001210 in words is "one hundred million, one thousand, two hundred ten".