1030021210 has 8 divisors (see below), whose sum is σ = 1854038196. Its totient is φ = 412008480.

The previous prime is 1030021199. The next prime is 1030021219. The reversal of 1030021210 is 121200301.

1030021210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 894787569 + 135233641 = 29913^2 + 11629^2 .

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 (10), and also a Moran number because the ratio is a prime number: 103002121 = 1030021210 / (1 + 0 + 3 + 0 + 0 + 2 + 1 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (1030021219) 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, 51501051 + ... + 51501070.

Almost surely, 2^1030021210 is an apocalyptic number.

1030021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1030021210 is a deficient number, since it is larger than the sum of its proper divisors (824016986).

1030021210 is a wasteful number, since it uses less digits than its factorization.

1030021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103002128.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1030021210 is about 32093.9435096406. The cubic root of 1030021210 is about 1009.9085660456.

Adding to 1030021210 its reverse (121200301), we get a palindrome (1151221511).

The spelling of 1030021210 in words is "one billion, thirty million, twenty-one thousand, two hundred ten".