1244028102113 has 4 divisors (see below), whose sum is σ = 1246691974320. Its totient is φ = 1241364229908.

The previous prime is 1244028102103. The next prime is 1244028102131. The reversal of 1244028102113 is 3112018204421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1244028102113 - 2⁶ = 1244028102049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244028102103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331935403 + ... + 1331936336.

It is an arithmetic number, because the mean of its divisors is an integer number (311672993580).

Almost surely, 2^{1244028102113} is an apocalyptic number.

It is an amenable number.

1244028102113 is a deficient number, since it is larger than the sum of its proper divisors (2663872207).

1244028102113 is an equidigital number, since it uses as much as digits as its factorization.

1244028102113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663872206.

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 1244028102113 in words is "one trillion, two hundred forty-four billion, twenty-eight million, one hundred two thousand, one hundred thirteen".