120106445 has 8 divisors (see below), whose sum is σ = 152605944. Its totient is φ = 90433024.

The previous prime is 120106423. The next prime is 120106451. The reversal of 120106445 is 544601021.

It can be written as a sum of positive squares in 4 ways, for example, as 17732521 + 102373924 = 4211^2 + 10118^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120106445 - 2¹⁶ = 120040909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120106445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706424 + ... + 706593.

It is an arithmetic number, because the mean of its divisors is an integer number (19075743).

Almost surely, 2^120106445 is an apocalyptic number.

It is an amenable number.

120106445 is a deficient number, since it is larger than the sum of its proper divisors (32499499).

120106445 is a wasteful number, since it uses less digits than its factorization.

120106445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413039.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 120106445 is about 10959.3086004547. The cubic root of 120106445 is about 493.3882139559.

Adding to 120106445 its reverse (544601021), we get a palindrome (664707466).

The spelling of 120106445 in words is "one hundred twenty million, one hundred six thousand, four hundred forty-five".