12126055 has 8 divisors (see below), whose sum is σ = 14648544. Its totient is φ = 9636000.

The previous prime is 12126041. The next prime is 12126073. The reversal of 12126055 is 55062121.

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

It is not a de Polignac number, because 12126055 - 2⁹ = 12125543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7276 + ... + 8785.

It is an arithmetic number, because the mean of its divisors is an integer number (1831068).

Almost surely, 2^12126055 is an apocalyptic number.

12126055 is a deficient number, since it is larger than the sum of its proper divisors (2522489).

12126055 is a wasteful number, since it uses less digits than its factorization.

12126055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16217.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 12126055 is about 3482.2485551724. The cubic root of 12126055 is about 229.7417075229.

Adding to 12126055 its reverse (55062121), we get a palindrome (67188176).

The spelling of 12126055 in words is "twelve million, one hundred twenty-six thousand, fifty-five".