434131232500121 has 4 divisors (see below), whose sum is σ = 467525942692452. Its totient is φ = 400736522307792.

The previous prime is 434131232500111. The next prime is 434131232500151. The reversal of 434131232500121 is 121005232131434.

It is a happy number.

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 139814425219225 + 294316807280896 = 11824315^2 + 17155664^2 .

It is a cyclic number.

It is not a de Polignac number, because 434131232500121 - 2⁶ = 434131232500057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434131232500111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16697355096146 + ... + 16697355096171.

It is an arithmetic number, because the mean of its divisors is an integer number (116881485673113).

Almost surely, 2^{434131232500121} is an apocalyptic number.

It is an amenable number.

434131232500121 is a deficient number, since it is larger than the sum of its proper divisors (33394710192331).

434131232500121 is a wasteful number, since it uses less digits than its factorization.

434131232500121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33394710192330.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 434131232500121 its reverse (121005232131434), we get a palindrome (555136464631555).

The spelling of 434131232500121 in words is "four hundred thirty-four trillion, one hundred thirty-one billion, two hundred thirty-two million, five hundred thousand, one hundred twenty-one".