1205143214 has 8 divisors (see below), whose sum is σ = 1972052568. Its totient is φ = 547792360.

The previous prime is 1205143207. The next prime is 1205143237. The reversal of 1205143214 is 4123415021.

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

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 1205143214.

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, 27389597 + ... + 27389640.

It is an arithmetic number, because the mean of its divisors is an integer number (246506571).

Almost surely, 2^1205143214 is an apocalyptic number.

1205143214 is a deficient number, since it is larger than the sum of its proper divisors (766909354).

1205143214 is a wasteful number, since it uses less digits than its factorization.

1205143214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54779250.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1205143214 is about 34715.1726770875. The cubic root of 1205143214 is about 1064.1745943490.

Adding to 1205143214 its reverse (4123415021), we get a palindrome (5328558235).

The spelling of 1205143214 in words is "one billion, two hundred five million, one hundred forty-three thousand, two hundred fourteen".