1244202402005 has 8 divisors (see below), whose sum is σ = 1541205556224. Its totient is φ = 963253472400.

The previous prime is 1244202401971. The next prime is 1244202402043. The reversal of 1244202402005 is 5002042024421.

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

It is not a de Polignac number, because 1244202402005 - 2³⁴ = 1227022532821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4013555981 + ... + 4013556290.

It is an arithmetic number, because the mean of its divisors is an integer number (192650694528).

Almost surely, 2^{1244202402005} is an apocalyptic number.

It is an amenable number.

1244202402005 is a deficient number, since it is larger than the sum of its proper divisors (297003154219).

1244202402005 is an equidigital number, since it uses as much as digits as its factorization.

1244202402005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8027112307.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 1244202402005 its reverse (5002042024421), we get a palindrome (6246244426426).

The spelling of 1244202402005 in words is "one trillion, two hundred forty-four billion, two hundred two million, four hundred two thousand, five".