12080155 has 8 divisors (see below), whose sum is σ = 14515200. Its totient is φ = 9651456.

The previous prime is 12080141. The next prime is 12080161. The reversal of 12080155 is 55108021.

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 12080155 - 2⁷ = 12080027 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5451 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 2^12080155 is an apocalyptic number.

12080155 is a deficient number, since it is larger than the sum of its proper divisors (2435045).

12080155 is a wasteful number, since it uses less digits than its factorization.

12080155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 12080155 is about 3475.6517374444. The cubic root of 12080155 is about 229.4514653482.

Adding to 12080155 its reverse (55108021), we get a palindrome (67188176).

The spelling of 12080155 in words is "twelve million, eighty thousand, one hundred fifty-five".