121413003405 has 128 divisors (see below), whose sum is σ = 211357900800. Its totient is φ = 59364264960.

The previous prime is 121413003401. The next prime is 121413003433. The reversal of 121413003405 is 504300314121.

It is a happy number.

It is not a de Polignac number, because 121413003405 - 2² = 121413003401 is a prime.

It is a super-3 number, since 3×121413003405³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121413003401) 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 127 ways as a sum of consecutive naturals, for example, 221961342 + ... + 221961888.

It is an arithmetic number, because the mean of its divisors is an integer number (1651233600).

Almost surely, 2^121413003405 is an apocalyptic number.

121413003405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121413003405 is a deficient number, since it is larger than the sum of its proper divisors (89944897395).

121413003405 is a wasteful number, since it uses less digits than its factorization.

121413003405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 121413003405 its reverse (504300314121), we get a palindrome (625713317526).

The spelling of 121413003405 in words is "one hundred twenty-one billion, four hundred thirteen million, three thousand, four hundred five".