12154051 has 16 divisors (see below), whose sum is σ = 15611904. Its totient is φ = 9196704.

The previous prime is 12154039. The next prime is 12154057. The reversal of 12154051 is 15045121.

It is a cyclic number.

It is not a de Polignac number, because 12154051 - 2⁷ = 12153923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12154057) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 811 + ... + 4996.

It is an arithmetic number, because the mean of its divisors is an integer number (975744).

Almost surely, 2^12154051 is an apocalyptic number.

12154051 is a deficient number, since it is larger than the sum of its proper divisors (3457853).

12154051 is a wasteful number, since it uses less digits than its factorization.

12154051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 12154051 is about 3486.2660541043. The cubic root of 12154051 is about 229.9183768338.

Adding to 12154051 its reverse (15045121), we get a palindrome (27199172).

The spelling of 12154051 in words is "twelve million, one hundred fifty-four thousand, fifty-one".