2009125201 has 2 divisors, whose sum is σ = 2009125202. Its totient is φ = 2009125200.

The previous prime is 2009125147. The next prime is 2009125213. The reversal of 2009125201 is 1025219002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1955762176 + 53363025 = 44224^2 + 7305^2 .

It is a cyclic number.

It is not a de Polignac number, because 2009125201 - 2¹¹ = 2009123153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2009125241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004562600 + 1004562601.

It is an arithmetic number, because the mean of its divisors is an integer number (1004562601).

Almost surely, 2^2009125201 is an apocalyptic number.

It is an amenable number.

2009125201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009125201 is an equidigital number, since it uses as much as digits as its factorization.

2009125201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2009125201 is about 44823.2662910681. The cubic root of 2009125201 is about 1261.8343151542.

The spelling of 2009125201 in words is "two billion, nine million, one hundred twenty-five thousand, two hundred one".