120421006 has 8 divisors (see below), whose sum is σ = 183693240. Its totient is φ = 59189928.

The previous prime is 120421001. The next prime is 120421033. The reversal of 120421006 is 600124021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120421001) 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, 510141 + ... + 510376.

It is an arithmetic number, because the mean of its divisors is an integer number (22961655).

Almost surely, 2^120421006 is an apocalyptic number.

120421006 is a deficient number, since it is larger than the sum of its proper divisors (63272234).

120421006 is a wasteful number, since it uses less digits than its factorization.

120421006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020578.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 120421006 is about 10973.6505320700. The cubic root of 120421006 is about 493.8185694227.

Adding to 120421006 its reverse (600124021), we get a palindrome (720545027).

The spelling of 120421006 in words is "one hundred twenty million, four hundred twenty-one thousand, six".