1243145054 has 8 divisors (see below), whose sum is σ = 1865448360. Its totient is φ = 621328936.

The previous prime is 1243145039. The next prime is 1243145063. The reversal of 1243145054 is 4505413421.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 115349 + ... + 125664.

It is an arithmetic number, because the mean of its divisors is an integer number (233181045).

Almost surely, 2^1243145054 is an apocalyptic number.

1243145054 is a deficient number, since it is larger than the sum of its proper divisors (622303306).

1243145054 is a wasteful number, since it uses less digits than its factorization.

1243145054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243594.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1243145054 is about 35258.2622090199. The cubic root of 1243145054 is about 1075.2445966588.

Adding to 1243145054 its reverse (4505413421), we get a palindrome (5748558475).

The spelling of 1243145054 in words is "one billion, two hundred forty-three million, one hundred forty-five thousand, fifty-four".