120214521 has 12 divisors (see below), whose sum is σ = 198449472. Its totient is φ = 68693976.

The previous prime is 120214513. The next prime is 120214561. The reversal of 120214521 is 125412021.

120214521 is a `hidden beast` number, since 120 + 21 + 4 + 521 = 666.

It is not a de Polignac number, because 120214521 - 2³ = 120214513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120214494 and 120214503.

It is not an unprimeable number, because it can be changed into a prime (120214511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954021 + ... + 954146.

It is an arithmetic number, because the mean of its divisors is an integer number (16537456).

Almost surely, 2^120214521 is an apocalyptic number.

It is an amenable number.

120214521 is a deficient number, since it is larger than the sum of its proper divisors (78234951).

120214521 is a wasteful number, since it uses less digits than its factorization.

120214521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908180 (or 1908177 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 120214521 is about 10964.2382772357. The cubic root of 120214521 is about 493.5361589406.

Adding to 120214521 its reverse (125412021), we get a palindrome (245626542).

The spelling of 120214521 in words is "one hundred twenty million, two hundred fourteen thousand, five hundred twenty-one".