It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-120522521 is a prime.
It is a Duffinian number.
Almost surely, 2120522521 is an apocalyptic number.
It is an amenable number.
120522521 is an equidigital number, since it uses as much as digits as its factorization.
120522521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 593743.
The square root of 120522521 is about 10978.2749555657. The cubic root of 120522521 is about 493.9572935921.
Adding to 120522521 its reverse (125225021), we get a palindrome (245747542).
The spelling of 120522521 in words is "one hundred twenty million, five hundred twenty-two thousand, five hundred twenty-one".