300135222125 has 16 divisors (see below), whose sum is σ = 375304728240. Its totient is φ = 239636401600.

The previous prime is 300135222119. The next prime is 300135222131. The reversal of 300135222125 is 521222531003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (300135222119) and next prime (300135222131).

It can be written as a sum of positive squares in 8 ways, for example, as 19605040324 + 280530181801 = 140018^2 + 529651^2 .

It is not a de Polignac number, because 300135222125 - 2¹⁰ = 300135221101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 300135222094 and 300135222103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2295002 + ... + 2422251.

It is an arithmetic number, because the mean of its divisors is an integer number (23456545515).

Almost surely, 2^300135222125 is an apocalyptic number.

It is an amenable number.

300135222125 is a deficient number, since it is larger than the sum of its proper divisors (75169506115).

300135222125 is an equidigital number, since it uses as much as digits as its factorization.

300135222125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717777 (or 4717767 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 300135222125 its reverse (521222531003), we get a palindrome (821357753128).

The spelling of 300135222125 in words is "three hundred billion, one hundred thirty-five million, two hundred twenty-two thousand, one hundred twenty-five".