9012201 has 32 divisors (see below), whose sum is σ = 13796736. Its totient is φ = 5227200.

The previous prime is 9012187. The next prime is 9012217. The reversal of 9012201 is 1022109.

9012201 = 209² + 210² + ... + 330².

It is a happy number.

It is not a de Polignac number, because 9012201 - 2⁹ = 9011689 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9012281) 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 31 ways as a sum of consecutive naturals, for example, 147711 + ... + 147771.

It is an arithmetic number, because the mean of its divisors is an integer number (431148).

Almost surely, 2^9012201 is an apocalyptic number.

It is an amenable number.

9012201 is a deficient number, since it is larger than the sum of its proper divisors (4784535).

9012201 is a wasteful number, since it uses less digits than its factorization.

9012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 112 counting only the distinct ones).

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

The square root of 9012201 is about 3002.0328112797. The cubic root of 9012201 is about 208.1023365379.

The spelling of 9012201 in words is "nine million, twelve thousand, two hundred one".