1000001210 has 32 divisors (see below), whose sum is σ = 1940576400. Its totient is φ = 368828928.

The previous prime is 1000001203. The next prime is 1000001213. The reversal of 1000001210 is 121000001.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 155575729 + 844425481 = 12473^2 + 29059^2 .

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 = 1000001194 and 1000001203.

It is not an unprimeable number, because it can be changed into a prime (1000001213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132704 + ... + 140036.

Almost surely, 2^1000001210 is an apocalyptic number.

1000001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000001210 is a deficient number, since it is larger than the sum of its proper divisors (940575190).

1000001210 is a wasteful number, since it uses less digits than its factorization.

1000001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402.

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

The square root of 1000001210 is about 31622.7957334578. The cubic root of 1000001210 is about 1000.0004033332. Note that the first 3 decimals are identical.

Adding to 1000001210 its reverse (121000001), we get a palindrome (1121001211).

It can be divided in two parts, 100000 and 1210, that multiplied together give a square (121000000 = 11000²).

The spelling of 1000001210 in words is "one billion, one thousand, two hundred ten".