13405103121 has 8 divisors (see below), whose sum is σ = 17877553344. Its totient is φ = 8934694160.

The previous prime is 13405103119. The next prime is 13405103123. The reversal of 13405103121 is 12130150431.

It is an interprime number because it is at equal distance from previous prime (13405103119) and next prime (13405103123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13405103121 - 2¹ = 13405103119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13405103123) 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 7 ways as a sum of consecutive naturals, for example, 494925 + ... + 521306.

It is an arithmetic number, because the mean of its divisors is an integer number (2234694168).

Almost surely, 2^13405103121 is an apocalyptic number.

It is an amenable number.

13405103121 is a deficient number, since it is larger than the sum of its proper divisors (4472450223).

13405103121 is a wasteful number, since it uses less digits than its factorization.

13405103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020631.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 13405103121 its reverse (12130150431), we get a palindrome (25535253552).

The spelling of 13405103121 in words is "thirteen billion, four hundred five million, one hundred three thousand, one hundred twenty-one".