120641505 has 8 divisors (see below), whose sum is σ = 193026432. Its totient is φ = 64342128.

The previous prime is 120641501. The next prime is 120641581. The reversal of 120641505 is 505146021.

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

It is not a de Polignac number, because 120641505 - 2² = 120641501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120641501) 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, 4021369 + ... + 4021398.

It is an arithmetic number, because the mean of its divisors is an integer number (24128304).

Almost surely, 2^120641505 is an apocalyptic number.

120641505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120641505 is a deficient number, since it is larger than the sum of its proper divisors (72384927).

120641505 is an equidigital number, since it uses as much as digits as its factorization.

120641505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042775.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 120641505 is about 10983.6926850673. The cubic root of 120641505 is about 494.1197907028.

Adding to 120641505 its reverse (505146021), we get a palindrome (625787526).

The spelling of 120641505 in words is "one hundred twenty million, six hundred forty-one thousand, five hundred five".