9120201 has 8 divisors (see below), whose sum is σ = 12196704. Its totient is φ = 6061920.

The previous prime is 9120197. The next prime is 9120203. The reversal of 9120201 is 1020219.

It is a happy number.

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

It is not a de Polignac number, because 9120201 - 2² = 9120197 is a prime.

9120201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9120203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3340 + ... + 5421.

It is an arithmetic number, because the mean of its divisors is an integer number (1524588).

Almost surely, 2^9120201 is an apocalyptic number.

It is an amenable number.

9120201 is a deficient number, since it is larger than the sum of its proper divisors (3076503).

9120201 is a wasteful number, since it uses less digits than its factorization.

9120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111.

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

The square root of 9120201 is about 3019.9670528004. The cubic root of 9120201 is about 208.9303202467.

The spelling of 9120201 in words is "nine million, one hundred twenty thousand, two hundred one".