1244057221005 has 8 divisors (see below), whose sum is σ = 1990491553632. Its totient is φ = 663497184528.

The previous prime is 1244057221003. The next prime is 1244057221013. The reversal of 1244057221005 is 5001227504421.

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

It is not a de Polignac number, because 1244057221005 - 2¹ = 1244057221003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244057221003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41468574019 + ... + 41468574048.

It is an arithmetic number, because the mean of its divisors is an integer number (248811444204).

Almost surely, 2^{1244057221005} is an apocalyptic number.

1244057221005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1244057221005 is a deficient number, since it is larger than the sum of its proper divisors (746434332627).

1244057221005 is an equidigital number, since it uses as much as digits as its factorization.

1244057221005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82937148075.

The product of its (nonzero) digits is 22400, while the sum is 33.

The spelling of 1244057221005 in words is "one trillion, two hundred forty-four billion, fifty-seven million, two hundred twenty-one thousand, five".