12151135 has 4 divisors (see below), whose sum is σ = 14581368. Its totient is φ = 9720904.

The previous prime is 12151103. The next prime is 12151147. The reversal of 12151135 is 53115121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12151135 - 2⁵ = 12151103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215109 + ... + 1215118.

It is an arithmetic number, because the mean of its divisors is an integer number (3645342).

Almost surely, 2^12151135 is an apocalyptic number.

12151135 is a deficient number, since it is larger than the sum of its proper divisors (2430233).

12151135 is an equidigital number, since it uses as much as digits as its factorization.

12151135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430232.

The product of its digits is 150, while the sum is 19.

The square root of 12151135 is about 3485.8478165290. The cubic root of 12151135 is about 229.8999880236.

Adding to 12151135 its reverse (53115121), we get a palindrome (65266256).

The spelling of 12151135 in words is "twelve million, one hundred fifty-one thousand, one hundred thirty-five".