1244228172095 has 16 divisors (see below), whose sum is σ = 1533878011008. Its totient is φ = 968195554560.

The previous prime is 1244228172071. The next prime is 1244228172097. The reversal of 1244228172095 is 5902718224421.

It is not a de Polignac number, because 1244228172095 - 2²⁸ = 1243959736639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244228172097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356726 + ... + 1617315.

It is an arithmetic number, because the mean of its divisors is an integer number (95867375688).

Almost surely, 2^{1244228172095} is an apocalyptic number.

1244228172095 is a deficient number, since it is larger than the sum of its proper divisors (289649838913).

1244228172095 is a wasteful number, since it uses less digits than its factorization.

1244228172095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977490.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 1244228172095 in words is "one trillion, two hundred forty-four billion, two hundred twenty-eight million, one hundred seventy-two thousand, ninety-five".