120225505 has 8 divisors (see below), whose sum is σ = 144329472. Its totient is φ = 96141168.

The previous prime is 120225493. The next prime is 120225509. The reversal of 120225505 is 505522021.

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 120225505 - 2⁵ = 120225473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120225509) 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, 21424 + ... + 26446.

It is an arithmetic number, because the mean of its divisors is an integer number (18041184).

Almost surely, 2^120225505 is an apocalyptic number.

It is an amenable number.

120225505 is a deficient number, since it is larger than the sum of its proper divisors (24103967).

120225505 is an equidigital number, since it uses as much as digits as its factorization.

120225505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9815.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 120225505 is about 10964.7391669843. The cubic root of 120225505 is about 493.5511899480.

Adding to 120225505 its reverse (505522021), we get a palindrome (625747526).

It can be divided in two parts, 120 and 225505, that added together give a square (225625 = 475²).

The spelling of 120225505 in words is "one hundred twenty million, two hundred twenty-five thousand, five hundred five".