121434025351339 has 4 divisors (see below), whose sum is σ = 121829575922824. Its totient is φ = 121038474779856.

The previous prime is 121434025351337. The next prime is 121434025351349. The reversal of 121434025351339 is 933153520434121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121434025351339 - 2¹ = 121434025351337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121434025351333) 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, 197775285282 + ... + 197775285895.

It is an arithmetic number, because the mean of its divisors is an integer number (30457393980706).

Almost surely, 2^{121434025351339} is an apocalyptic number.

121434025351339 is a deficient number, since it is larger than the sum of its proper divisors (395550571485).

121434025351339 is an equidigital number, since it uses as much as digits as its factorization.

121434025351339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395550571484.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 121434025351339 in words is "one hundred twenty-one trillion, four hundred thirty-four billion, twenty-five million, three hundred fifty-one thousand, three hundred thirty-nine".