120244521 has 8 divisors (see below), whose sum is σ = 168764320. Its totient is φ = 75943872.

The previous prime is 120244517. The next prime is 120244541. The reversal of 120244521 is 125442021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120244521 - 2² = 120244517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120244511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054720 + ... + 1054833.

It is an arithmetic number, because the mean of its divisors is an integer number (21095540).

Almost surely, 2^120244521 is an apocalyptic number.

It is an amenable number.

120244521 is a deficient number, since it is larger than the sum of its proper divisors (48519799).

120244521 is a wasteful number, since it uses less digits than its factorization.

120244521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109575.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 120244521 is about 10965.6062759886. The cubic root of 120244521 is about 493.5772101469.

Adding to 120244521 its reverse (125442021), we get a palindrome (245686542).

The spelling of 120244521 in words is "one hundred twenty million, two hundred forty-four thousand, five hundred twenty-one".