121444424324125 has 32 divisors (see below), whose sum is σ = 183403532662272. Its totient is φ = 78377578041600.

The previous prime is 121444424324117. The next prime is 121444424324147. The reversal of 121444424324125 is 521423424444121.

It is not a de Polignac number, because 121444424324125 - 2³ = 121444424324117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4082150649 + ... + 4082180398.

It is an arithmetic number, because the mean of its divisors is an integer number (5731360395696).

Almost surely, 2^{121444424324125} is an apocalyptic number.

It is an amenable number.

121444424324125 is a deficient number, since it is larger than the sum of its proper divisors (61959108338147).

121444424324125 is an equidigital number, since it uses as much as digits as its factorization.

121444424324125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8164331086 (or 8164331076 counting only the distinct ones).

The product of its digits is 983040, while the sum is 43.

Adding to 121444424324125 its reverse (521423424444121), we get a palindrome (642867848768246).

The spelling of 121444424324125 in words is "one hundred twenty-one trillion, four hundred forty-four billion, four hundred twenty-four million, three hundred twenty-four thousand, one hundred twenty-five".