12080157 has 4 divisors (see below), whose sum is σ = 16106880. Its totient is φ = 8053436.

The previous prime is 12080141. The next prime is 12080161. The reversal of 12080157 is 75108021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12080157 - 2⁴ = 12080141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12080197) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2013357 + ... + 2013362.

It is an arithmetic number, because the mean of its divisors is an integer number (4026720).

Almost surely, 2^12080157 is an apocalyptic number.

It is an amenable number.

12080157 is a deficient number, since it is larger than the sum of its proper divisors (4026723).

12080157 is an equidigital number, since it uses as much as digits as its factorization.

12080157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026722.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 12080157 is about 3475.6520251602. The cubic root of 12080157 is about 229.4514780110.

Adding to 12080157 its reverse (75108021), we get a palindrome (87188178).

The spelling of 12080157 in words is "twelve million, eighty thousand, one hundred fifty-seven".