99187201 has 16 divisors (see below), whose sum is σ = 110822400. Its totient is φ = 88334928.

The previous prime is 99187199. The next prime is 99187211. The reversal of 99187201 is 10278199.

It is a cyclic number.

It is not a de Polignac number, because 99187201 - 2¹ = 99187199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99187211) 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 15 ways as a sum of consecutive naturals, for example, 23860 + ... + 27706.

It is an arithmetic number, because the mean of its divisors is an integer number (6926400).

Almost surely, 2^99187201 is an apocalyptic number.

It is an amenable number.

99187201 is a deficient number, since it is larger than the sum of its proper divisors (11635199).

99187201 is a wasteful number, since it uses less digits than its factorization.

99187201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 99187201 is about 9959.2771324027. The cubic root of 99187201 is about 462.8979011609.

The spelling of 99187201 in words is "ninety-nine million, one hundred eighty-seven thousand, two hundred one".