120424345 has 8 divisors (see below), whose sum is σ = 153009864. Its totient is φ = 90672384.

The previous prime is 120424319. The next prime is 120424349. The reversal of 120424345 is 543424021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3697929 + 116726416 = 1923^2 + 10804^2 .

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 120424345 - 2⁷ = 120424217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120424349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708294 + ... + 708463.

It is an arithmetic number, because the mean of its divisors is an integer number (19126233).

Almost surely, 2^120424345 is an apocalyptic number.

It is an amenable number.

120424345 is a deficient number, since it is larger than the sum of its proper divisors (32585519).

120424345 is a wasteful number, since it uses less digits than its factorization.

120424345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416779.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 120424345 is about 10973.8026681730. The cubic root of 120424345 is about 493.8231335349.

Adding to 120424345 its reverse (543424021), we get a palindrome (663848366).

The spelling of 120424345 in words is "one hundred twenty million, four hundred twenty-four thousand, three hundred forty-five".