1143412 has 12 divisors (see below), whose sum is σ = 2070180. Its totient is φ = 551936.

The previous prime is 1143407. The next prime is 1143433. The reversal of 1143412 is 2143411.

It can be written as a sum of positive squares in 2 ways, for example, as 509796 + 633616 = 714^2 + 796^2 .

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, 4813 + ... + 5044.

It is an arithmetic number, because the mean of its divisors is an integer number (172515).

2^1143412 is an apocalyptic number.

It is an amenable number.

1143412 is a deficient number, since it is larger than the sum of its proper divisors (926768).

1143412 is a wasteful number, since it uses less digits than its factorization.

1143412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890 (or 9888 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 1143412 is about 1069.3044468251. The cubic root of 1143412 is about 104.5685089101.

Adding to 1143412 its reverse (2143411), we get a palindrome (3286823).

Subtracting 1143412 from its reverse (2143411), we obtain a palindrome (999999).

The spelling of 1143412 in words is "one million, one hundred forty-three thousand, four hundred twelve".