120074960521 has 4 divisors (see below), whose sum is σ = 120342388500. Its totient is φ = 119807532544.

The previous prime is 120074960501. The next prime is 120074960531. The reversal of 120074960521 is 125069470021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 125069470021 = 228457 ⋅547453.

It can be written as a sum of positive squares in 2 ways, for example, as 62205846921 + 57869113600 = 249411^2 + 240560^2 .

It is a cyclic number.

It is not a de Polignac number, because 120074960521 - 2⁷ = 120074960393 is a prime.

It is a super-2 number, since 2×120074960521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120074960501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133713316 + ... + 133714213.

It is an arithmetic number, because the mean of its divisors is an integer number (30085597125).

Almost surely, 2^120074960521 is an apocalyptic number.

It is an amenable number.

120074960521 is a deficient number, since it is larger than the sum of its proper divisors (267427979).

120074960521 is an equidigital number, since it uses as much as digits as its factorization.

120074960521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267427978.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 120074960521 in words is "one hundred twenty billion, seventy-four million, nine hundred sixty thousand, five hundred twenty-one".