12143141 has 8 divisors (see below), whose sum is σ = 12902520. Its totient is φ = 11406528.

The previous prime is 12143137. The next prime is 12143143. The reversal of 12143141 is 14134121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7924225 + 4218916 = 2815^2 + 2054^2 .

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 12143141 - 2² = 12143137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4586 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (1612815).

Almost surely, 2^12143141 is an apocalyptic number.

It is an amenable number.

12143141 is a deficient number, since it is larger than the sum of its proper divisors (759379).

12143141 is a wasteful number, since it uses less digits than its factorization.

12143141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11383.

The product of its digits is 96, while the sum is 17.

The square root of 12143141 is about 3484.7009914769. The cubic root of 12143141 is about 229.8495613577.

Adding to 12143141 its reverse (14134121), we get a palindrome (26277262).

The spelling of 12143141 in words is "twelve million, one hundred forty-three thousand, one hundred forty-one".