299131121 has 16 divisors (see below), whose sum is σ = 321753600. Its totient is φ = 277564800.

The previous prime is 299131111. The next prime is 299131139. The reversal of 299131121 is 121131992.

It is a cyclic number.

It is not a de Polignac number, because 299131121 - 2¹⁴ = 299114737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (299131111) 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, 72995 + ... + 76983.

It is an arithmetic number, because the mean of its divisors is an integer number (20109600).

Almost surely, 2^299131121 is an apocalyptic number.

It is an amenable number.

299131121 is a deficient number, since it is larger than the sum of its proper divisors (22622479).

299131121 is a wasteful number, since it uses less digits than its factorization.

299131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120.

The product of its digits is 972, while the sum is 29.

The square root of 299131121 is about 17295.4075118223. The cubic root of 299131121 is about 668.7860404369.

The spelling of 299131121 in words is "two hundred ninety-nine million, one hundred thirty-one thousand, one hundred twenty-one".