1244205530245 has 8 divisors (see below), whose sum is σ = 1493204204160. Its totient is φ = 995259378960.

The previous prime is 1244205530219. The next prime is 1244205530459. The reversal of 1244205530245 is 5420355024421.

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

It is not a de Polignac number, because 1244205530245 - 2²¹ = 1244203433093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13078521 + ... + 13173310.

It is an arithmetic number, because the mean of its divisors is an integer number (186650525520).

Almost surely, 2^{1244205530245} is an apocalyptic number.

It is an amenable number.

1244205530245 is a deficient number, since it is larger than the sum of its proper divisors (248998673915).

1244205530245 is an equidigital number, since it uses as much as digits as its factorization.

1244205530245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26261315.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 1244205530245 in words is "one trillion, two hundred forty-four billion, two hundred five million, five hundred thirty thousand, two hundred forty-five".