120500406 has 32 divisors (see below), whose sum is σ = 288378720. Its totient is φ = 37076832.

The previous prime is 120500399. The next prime is 120500407. The reversal of 120500406 is 604005021.

It is a happy number.

120500406 is a `hidden beast` number, since 120 + 500 + 40 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120500407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85125 + ... + 86528.

It is an arithmetic number, because the mean of its divisors is an integer number (9011835).

Almost surely, 2^120500406 is an apocalyptic number.

120500406 is an abundant number, since it is smaller than the sum of its proper divisors (167878314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120500406 is a wasteful number, since it uses less digits than its factorization.

120500406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171677 (or 171671 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120500406 is about 10977.2676928278. The cubic root of 120500406 is about 493.9270792287.

Adding to 120500406 its reverse (604005021), we get a palindrome (724505427).

The spelling of 120500406 in words is "one hundred twenty million, five hundred thousand, four hundred six".