12118057 has 8 divisors (see below), whose sum is σ = 14144256. Its totient is φ = 10165632.

The previous prime is 12118049. The next prime is 12118063. The reversal of 12118057 is 75081121.

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 12118057 - 2³ = 12118049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12118037) 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 7 ways as a sum of consecutive naturals, for example, 18088 + ... + 18745.

It is an arithmetic number, because the mean of its divisors is an integer number (1768032).

Almost surely, 2^12118057 is an apocalyptic number.

It is an amenable number.

12118057 is a deficient number, since it is larger than the sum of its proper divisors (2026199).

12118057 is an equidigital number, since it uses as much as digits as its factorization.

12118057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36887.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 12118057 is about 3481.0999698371. The cubic root of 12118057 is about 229.6911860547.

Adding to 12118057 its reverse (75081121), we get a palindrome (87199178).

The spelling of 12118057 in words is "twelve million, one hundred eighteen thousand, fifty-seven".