1021220006 has 8 divisors (see below), whose sum is σ = 1560732624. Its totient is φ = 500975800.

The previous prime is 1021219957. The next prime is 1021220021. The reversal of 1021220006 is 6000221201.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4816970 + ... + 4817181.

It is an arithmetic number, because the mean of its divisors is an integer number (195091578).

Almost surely, 2^1021220006 is an apocalyptic number.

1021220006 is a deficient number, since it is larger than the sum of its proper divisors (539512618).

1021220006 is an equidigital number, since it uses as much as digits as its factorization.

1021220006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9634206.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1021220006 is about 31956.5330722843. The cubic root of 1021220006 is about 1007.0238848670.

Adding to 1021220006 its reverse (6000221201), we get a palindrome (7021441207).

The spelling of 1021220006 in words is "one billion, twenty-one million, two hundred twenty thousand, six".