99066121 has 16 divisors (see below), whose sum is σ = 124720128. Its totient is φ = 76438800.

The previous prime is 99066119. The next prime is 99066139. The reversal of 99066121 is 12166099.

99066121 = 2996² + 2997² + ... + 3006².

It is a cyclic number.

It is not a de Polignac number, because 99066121 - 2¹ = 99066119 is a prime.

It is a super-3 number, since 3×99066121³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99066101) 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, 1686 + ... + 14176.

It is an arithmetic number, because the mean of its divisors is an integer number (7795008).

Almost surely, 2^99066121 is an apocalyptic number.

It is an amenable number.

99066121 is a deficient number, since it is larger than the sum of its proper divisors (25654007).

99066121 is a wasteful number, since it uses less digits than its factorization.

99066121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12612.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 99066121 is about 9953.1965217210. The cubic root of 99066121 is about 462.7094679121.

It can be divided in two parts, 9 and 9066121, that multiplied together give a square (81595089 = 9033²).

The spelling of 99066121 in words is "ninety-nine million, sixty-six thousand, one hundred twenty-one".