4120123540445 has 32 divisors (see below), whose sum is σ = 5431098660480. Its totient is φ = 2975684567040.

The previous prime is 4120123540441. The next prime is 4120123540447. The reversal of 4120123540445 is 5440453210214.

It is a happy number.

4120123540445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4120123540445 - 2² = 4120123540441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120123540441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5698862 + ... + 6381008.

It is an arithmetic number, because the mean of its divisors is an integer number (169721833140).

Almost surely, 2^{4120123540445} is an apocalyptic number.

It is an amenable number.

4120123540445 is a deficient number, since it is larger than the sum of its proper divisors (1310975120035).

4120123540445 is a wasteful number, since it uses less digits than its factorization.

4120123540445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682925.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 4120123540445 its reverse (5440453210214), we get a palindrome (9560576750659).

The spelling of 4120123540445 in words is "four trillion, one hundred twenty billion, one hundred twenty-three million, five hundred forty thousand, four hundred forty-five".