3020001209 has 2 divisors, whose sum is σ = 3020001210. Its totient is φ = 3020001208.

The previous prime is 3020001191. The next prime is 3020001251. The reversal of 3020001209 is 9021000203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2507205184 + 512796025 = 50072^2 + 22645^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020001209 - 2⁸ = 3020000953 is a prime.

It is a super-2 number, since 2×3020001209² = 18240814604722923362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3020001409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510000604 + 1510000605.

It is an arithmetic number, because the mean of its divisors is an integer number (1510000605).

Almost surely, 2^3020001209 is an apocalyptic number.

It is an amenable number.

3020001209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020001209 is an equidigital number, since it uses as much as digits as its factorization.

3020001209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3020001209 is about 54954.5376561390. The cubic root of 3020001209 is about 1445.4476662802.

The spelling of 3020001209 in words is "three billion, twenty million, one thousand, two hundred nine".