120306445 has 32 divisors (see below), whose sum is σ = 173260800. Its totient is φ = 78408000.

The previous prime is 120306427. The next prime is 120306469. The reversal of 120306445 is 544603021.

It is a de Polignac number, because none of the positive numbers 2^k-120306445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159820 + ... + 160570.

It is an arithmetic number, because the mean of its divisors is an integer number (5414400).

Almost surely, 2^120306445 is an apocalyptic number.

It is an amenable number.

120306445 is a deficient number, since it is larger than the sum of its proper divisors (52954355).

120306445 is a wasteful number, since it uses less digits than its factorization.

120306445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 120306445 is about 10968.4294682511. The cubic root of 120306445 is about 493.6619237225.

Adding to 120306445 its reverse (544603021), we get a palindrome (664909466).

The spelling of 120306445 in words is "one hundred twenty million, three hundred six thousand, four hundred forty-five".