120024021 has 8 divisors (see below), whose sum is σ = 172342240. Its totient is φ = 73860912.

The previous prime is 120023999. The next prime is 120024053. The reversal of 120024021 is 120420021.

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

It is not a de Polignac number, because 120024021 - 2⁶ = 120023957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120023988 and 120024006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120024221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538731 + ... + 1538808.

It is an arithmetic number, because the mean of its divisors is an integer number (21542780).

Almost surely, 2^120024021 is an apocalyptic number.

It is an amenable number.

120024021 is a deficient number, since it is larger than the sum of its proper divisors (52318219).

120024021 is a wasteful number, since it uses less digits than its factorization.

120024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077555.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 120024021 is about 10955.5474988702. The cubic root of 120024021 is about 493.2753242704.

Adding to 120024021 its reverse (120420021), we get a palindrome (240444042).

The spelling of 120024021 in words is "one hundred twenty million, twenty-four thousand, twenty-one".