1243150412 has 12 divisors (see below), whose sum is σ = 2486300880. Its totient is φ = 532778736.

The previous prime is 1243150397. The next prime is 1243150417. The reversal of 1243150412 is 2140513421.

1243150412 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1243150417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22199087 + ... + 22199142.

It is an arithmetic number, because the mean of its divisors is an integer number (207191740).

Almost surely, 2^1243150412 is an apocalyptic number.

It is an amenable number.

1243150412 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.

1243150412 is a wasteful number, since it uses less digits than its factorization.

1243150412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44398240 (or 44398238 counting only the distinct ones).

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

The square root of 1243150412 is about 35258.3381911286. The cubic root of 1243150412 is about 1075.2461414376.

Adding to 1243150412 its reverse (2140513421), we get a palindrome (3383663833).

The spelling of 1243150412 in words is "one billion, two hundred forty-three million, one hundred fifty thousand, four hundred twelve".