104134222421 has 4 divisors (see below), whose sum is σ = 104134879212. Its totient is φ = 104133565632.

The previous prime is 104134222373. The next prime is 104134222459. The reversal of 104134222421 is 124222431401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 15553581796 + 88580640625 = 124714^2 + 297625^2 .

It is a cyclic number.

It is not a de Polignac number, because 104134222421 - 2¹⁸ = 104133960277 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 (104134222471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72845 + ... + 462141.

It is an arithmetic number, because the mean of its divisors is an integer number (26033719803).

Almost surely, 2^104134222421 is an apocalyptic number.

It is an amenable number.

104134222421 is a deficient number, since it is larger than the sum of its proper divisors (656791).

104134222421 is an equidigital number, since it uses as much as digits as its factorization.

104134222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656790.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 104134222421 its reverse (124222431401), we get a palindrome (228356653822).

The spelling of 104134222421 in words is "one hundred four billion, one hundred thirty-four million, two hundred twenty-two thousand, four hundred twenty-one".