4405125242121 has 8 divisors (see below), whose sum is σ = 5873511341280. Its totient is φ = 2936744652192.

The previous prime is 4405125242087. The next prime is 4405125242159. The reversal of 4405125242121 is 1212425215044.

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

It is not a de Polignac number, because 4405125242121 - 2⁹ = 4405125241609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4405125247121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151910 + ... + 3183888.

It is an arithmetic number, because the mean of its divisors is an integer number (734188917660).

Almost surely, 2^{4405125242121} is an apocalyptic number.

It is an amenable number.

4405125242121 is a deficient number, since it is larger than the sum of its proper divisors (1468386099159).

4405125242121 is a wasteful number, since it uses less digits than its factorization.

4405125242121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754615.

The product of its (nonzero) digits is 25600, while the sum is 33.

The spelling of 4405125242121 in words is "four trillion, four hundred five billion, one hundred twenty-five million, two hundred forty-two thousand, one hundred twenty-one".