120555125601 has 16 divisors (see below), whose sum is σ = 161826525696. Its totient is φ = 79827808896.

The previous prime is 120555125599. The next prime is 120555125653. The reversal of 120555125601 is 106521555021.

It is not a de Polignac number, because 120555125601 - 2¹ = 120555125599 is a prime.

It is a super-2 number, since 2×120555125601² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120555121601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423696 + ... + 648558.

It is an arithmetic number, because the mean of its divisors is an integer number (10114157856).

Almost surely, 2^120555125601 is an apocalyptic number.

It is an amenable number.

120555125601 is a deficient number, since it is larger than the sum of its proper divisors (41271400095).

120555125601 is a wasteful number, since it uses less digits than its factorization.

120555125601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226072.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 120555125601 in words is "one hundred twenty billion, five hundred fifty-five million, one hundred twenty-five thousand, six hundred one".