120403106 has 8 divisors (see below), whose sum is σ = 185485980. Its totient is φ = 58574448.

The previous prime is 120403103. The next prime is 120403117. The reversal of 120403106 is 601304021.

It can be written as a sum of positive squares in 2 ways, for example, as 83083225 + 37319881 = 9115^2 + 6109^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120403103) 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 3 ways as a sum of consecutive naturals, for example, 813461 + ... + 813608.

Almost surely, 2^120403106 is an apocalyptic number.

120403106 is a deficient number, since it is larger than the sum of its proper divisors (65082874).

120403106 is a wasteful number, since it uses less digits than its factorization.

120403106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627108.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 120403106 is about 10972.8349117263. The cubic root of 120403106 is about 493.7941002964.

Adding to 120403106 its reverse (601304021), we get a palindrome (721707127).

The spelling of 120403106 in words is "one hundred twenty million, four hundred three thousand, one hundred six".