120223505 has 8 divisors (see below), whose sum is σ = 144623400. Its totient is φ = 95942016.

The previous prime is 120223501. The next prime is 120223511. The reversal of 120223505 is 505322021.

It can be written as a sum of positive squares in 4 ways, for example, as 73342096 + 46881409 = 8564^2 + 6847^2 .

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 120223505 - 2² = 120223501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120223501) 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, 27350 + ... + 31439.

It is an arithmetic number, because the mean of its divisors is an integer number (18077925).

Almost surely, 2^120223505 is an apocalyptic number.

It is an amenable number.

120223505 is a deficient number, since it is larger than the sum of its proper divisors (24399895).

120223505 is an equidigital number, since it uses as much as digits as its factorization.

120223505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59203.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 120223505 is about 10964.6479651651. The cubic root of 120223505 is about 493.5484531248.

Adding to 120223505 its reverse (505322021), we get a palindrome (625545526).

The spelling of 120223505 in words is "one hundred twenty million, two hundred twenty-three thousand, five hundred five".