1244898116 has 72 divisors (see below), whose sum is σ = 2800022400. Its totient is φ = 478820160.

The previous prime is 1244898073. The next prime is 1244898119. The reversal of 1244898116 is 6118984421.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1244898119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166670 + ... + 173978.

It is an arithmetic number, because the mean of its divisors is an integer number (38889200).

Almost surely, 2^1244898116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244898116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400011200).

1244898116 is an abundant number, since it is smaller than the sum of its proper divisors (1555124284).

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

1244898116 is a wasteful number, since it uses less digits than its factorization.

1244898116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7417 (or 7408 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 1244898116 is about 35283.1137514817. The cubic root of 1244898116 is about 1075.7497898057.

The spelling of 1244898116 in words is "one billion, two hundred forty-four million, eight hundred ninety-eight thousand, one hundred sixteen".