1009200201 has 4 divisors (see below), whose sum is σ = 1345600272. Its totient is φ = 672800132.

The previous prime is 1009200173. The next prime is 1009200211. The reversal of 1009200201 is 1020029001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1009200201 - 2⁹ = 1009199689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1009200211) 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, 168200031 + ... + 168200036.

It is an arithmetic number, because the mean of its divisors is an integer number (336400068).

Almost surely, 2^1009200201 is an apocalyptic number.

It is an amenable number.

1009200201 is a deficient number, since it is larger than the sum of its proper divisors (336400071).

1009200201 is an equidigital number, since it uses as much as digits as its factorization.

1009200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336400070.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1009200201 is about 31767.9114988694. The cubic root of 1009200201 is about 1003.0573765887.

Adding to 1009200201 its reverse (1020029001), we get a palindrome (2029229202).

The spelling of 1009200201 in words is "one billion, nine million, two hundred thousand, two hundred one".