1143212 has 12 divisors (see below), whose sum is σ = 2286480. Its totient is φ = 489936.

The previous prime is 1143193. The next prime is 1143217. The reversal of 1143212 is 2123411.

1143212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1143217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20387 + ... + 20442.

It is an arithmetic number, because the mean of its divisors is an integer number (190540).

2^1143212 is an apocalyptic number.

It is an amenable number.

1143212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143212 is a wasteful number, since it uses less digits than its factorization.

1143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40840 (or 40838 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 1143212 is about 1069.2109239996. The cubic root of 1143212 is about 104.5624116849.

Adding to 1143212 its reverse (2123411), we get a palindrome (3266623).

The spelling of 1143212 in words is "one million, one hundred forty-three thousand, two hundred twelve".