99201065 has 8 divisors (see below), whose sum is σ = 119203080. Its totient is φ = 79252992.

The previous prime is 99201061. The next prime is 99201073. The reversal of 99201065 is 56010299.

It can be written as a sum of positive squares in 4 ways, for example, as 9406489 + 89794576 = 3067^2 + 9476^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 99201065 - 2² = 99201061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99201061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9320 + ... + 16889.

It is an arithmetic number, because the mean of its divisors is an integer number (14900385).

Almost surely, 2^99201065 is an apocalyptic number.

It is an amenable number.

99201065 is a deficient number, since it is larger than the sum of its proper divisors (20002015).

99201065 is a wasteful number, since it uses less digits than its factorization.

99201065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26971.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 99201065 is about 9959.9731425341. The cubic root of 99201065 is about 462.9194675104.

The spelling of 99201065 in words is "ninety-nine million, two hundred one thousand, sixty-five".