1243411412 has 6 divisors (see below), whose sum is σ = 2175969978. Its totient is φ = 621705704.

The previous prime is 1243411397. The next prime is 1243411417. The reversal of 1243411412 is 2141143421.

It can be written as a sum of positive squares in only one way, i.e., 1210761616 + 32649796 = 34796^2 + 5714^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243411417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155426423 + ... + 155426430.

It is an arithmetic number, because the mean of its divisors is an integer number (362661663).

Almost surely, 2^1243411412 is an apocalyptic number.

It is an amenable number.

1243411412 is a deficient number, since it is larger than the sum of its proper divisors (932558566).

1243411412 is a wasteful number, since it uses less digits than its factorization.

1243411412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310852857 (or 310852855 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1243411412 is about 35262.0392490281. The cubic root of 1243411412 is about 1075.3213856458.

Adding to 1243411412 its reverse (2141143421), we get a palindrome (3384554833).

The spelling of 1243411412 in words is "one billion, two hundred forty-three million, four hundred eleven thousand, four hundred twelve".