12154134 has 8 divisors (see below), whose sum is σ = 24308280. Its totient is φ = 4051376.

The previous prime is 12154127. The next prime is 12154147. The reversal of 12154134 is 43145121.

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

12154134 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12154134.

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 3 ways as a sum of consecutive naturals, for example, 1012839 + ... + 1012850.

It is an arithmetic number, because the mean of its divisors is an integer number (3038535).

Almost surely, 2^12154134 is an apocalyptic number.

12154134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12154134 is a wasteful number, since it uses less digits than its factorization.

12154134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025694.

The product of its digits is 480, while the sum is 21.

The square root of 12154134 is about 3486.2779579374. The cubic root of 12154134 is about 229.9189002034.

Adding to 12154134 its reverse (43145121), we get a palindrome (55299255).

The spelling of 12154134 in words is "twelve million, one hundred fifty-four thousand, one hundred thirty-four".