1243305054 has 12 divisors (see below), whose sum is σ = 2693827656. Its totient is φ = 414435012.

The previous prime is 1243305031. The next prime is 1243305059. The reversal of 1243305054 is 4505033421.

1243305054 is a `hidden beast` number, since 124 + 3 + 30 + 505 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243305059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34536234 + ... + 34536269.

It is an arithmetic number, because the mean of its divisors is an integer number (224485638).

Almost surely, 2^1243305054 is an apocalyptic number.

1243305054 is an abundant number, since it is smaller than the sum of its proper divisors (1450522602).

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

1243305054 is a wasteful number, since it uses less digits than its factorization.

1243305054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69072511 (or 69072508 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1243305054 is about 35260.5311077414. The cubic root of 1243305054 is about 1075.2907247581.

Adding to 1243305054 its reverse (4505033421), we get a palindrome (5748338475).

The spelling of 1243305054 in words is "one billion, two hundred forty-three million, three hundred five thousand, fifty-four".