300121040189 has 4 divisors (see below), whose sum is σ = 300348233820. Its totient is φ = 299893846560.

The previous prime is 300121040183. The next prime is 300121040213. The reversal of 300121040189 is 981040121003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 191572536100 + 108548504089 = 437690^2 + 329467^2 .

It is a cyclic number.

It is not a de Polignac number, because 300121040189 - 2⁴ = 300121040173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300121040183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113594834 + ... + 113597475.

It is an arithmetic number, because the mean of its divisors is an integer number (75087058455).

Almost surely, 2^300121040189 is an apocalyptic number.

It is an amenable number.

300121040189 is a deficient number, since it is larger than the sum of its proper divisors (227193631).

300121040189 is a wasteful number, since it uses less digits than its factorization.

300121040189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227193630.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 300121040189 in words is "three hundred billion, one hundred twenty-one million, forty thousand, one hundred eighty-nine".