1244108931280 has 80 divisors (see below), whose sum is σ = 2931014545920. Its totient is φ = 491034525696.

The previous prime is 1244108931277. The next prime is 1244108931283. The reversal of 1244108931280 is 821398014421.

It is an interprime number because it is at equal distance from previous prime (1244108931277) and next prime (1244108931283).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244108931283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10094992 + ... + 10217488.

It is an arithmetic number, because the mean of its divisors is an integer number (36637681824).

Almost surely, 2^{1244108931280} is an apocalyptic number.

1244108931280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244108931280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1465507272960).

1244108931280 is an abundant number, since it is smaller than the sum of its proper divisors (1686905614640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244108931280 is a wasteful number, since it uses less digits than its factorization.

1244108931280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124196 (or 124190 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 1244108931280 in words is "one trillion, two hundred forty-four billion, one hundred eight million, nine hundred thirty-one thousand, two hundred eighty".