300400105 has 4 divisors (see below), whose sum is σ = 360480132. Its totient is φ = 240320080.

The previous prime is 300400103. The next prime is 300400147. The reversal of 300400105 is 501004003.

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 64593369 + 235806736 = 8037^2 + 15356^2 .

It is not a de Polignac number, because 300400105 - 2¹ = 300400103 is a prime.

It is a super-2 number, since 2×300400105² = 180480446168022050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (300400103) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30040006 + ... + 30040015.

It is an arithmetic number, because the mean of its divisors is an integer number (90120033).

Almost surely, 2^300400105 is an apocalyptic number.

It is an amenable number.

300400105 is a deficient number, since it is larger than the sum of its proper divisors (60080027).

300400105 is an equidigital number, since it uses as much as digits as its factorization.

300400105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60080026.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 300400105 is about 17332.0542637046. The cubic root of 300400105 is about 669.7304217331.

Adding to 300400105 its reverse (501004003), we get a palindrome (801404108).

The spelling of 300400105 in words is "three hundred million, four hundred thousand, one hundred five".