127520445074 has 16 divisors (see below), whose sum is σ = 208681751520. Its totient is φ = 57960524160.

The previous prime is 127520445043. The next prime is 127520445077. The reversal of 127520445074 is 470544025721.

It is a super-2 number, since 2×127520445074² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (127520445077) 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, 251042 + ... + 563970.

It is an arithmetic number, because the mean of its divisors is an integer number (13042609470).

Almost surely, 2^127520445074 is an apocalyptic number.

127520445074 is a deficient number, since it is larger than the sum of its proper divisors (81161306446).

127520445074 is a wasteful number, since it uses less digits than its factorization.

127520445074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331465.

The product of its (nonzero) digits is 313600, while the sum is 41.

The spelling of 127520445074 in words is "one hundred twenty-seven billion, five hundred twenty million, four hundred forty-five thousand, seventy-four".