12261151 has 8 divisors (see below), whose sum is σ = 14465024. Its totient is φ = 10170360.

The previous prime is 12261133. The next prime is 12261157. The reversal of 12261151 is 15116221.

12261151 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12261151 - 2¹¹ = 12259103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28035 + ... + 28468.

It is an arithmetic number, because the mean of its divisors is an integer number (1808128).

Almost surely, 2^12261151 is an apocalyptic number.

12261151 is a deficient number, since it is larger than the sum of its proper divisors (2203873).

12261151 is an equidigital number, since it uses as much as digits as its factorization.

12261151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56541.

The product of its digits is 120, while the sum is 19.

The square root of 12261151 is about 3501.5926376436. The cubic root of 12261151 is about 230.5917402946.

Adding to 12261151 its reverse (15116221), we get a palindrome (27377372).

The spelling of 12261151 in words is "twelve million, two hundred sixty-one thousand, one hundred fifty-one".